Geometry, Student Edition
Geometry, Student Edition
1st Edition
ISBN: 9780078884849
Author: McGraw-Hill, McGraw Hill
Publisher: Glencoe/McGraw-Hill School Pub Co
bartleby

Concept explainers

bartleby

Videos

Question
Book Icon
Chapter 7.2, Problem 17PPS
To determine

To find: The computer screens are similar.

Expert Solution & Answer
Check Mark

Answer to Problem 17PPS

The two computers screens are similar.

Explanation of Solution

Given:

The dimensions of a 17 -inch flat panel computer screen are approximately 1314 by 1034 inches

The dimensions of a 19 -inch flat panel computer screen are approximately 1412 by 12 inches

Calculation:

Two polygons are similar if their corresponding angles are congruent and the corresponding sides have a constant ratio.

To check the corresponding angles of given rectangles are congruent.

Assume that the screen of the two computers are both rectangles, thus corresponding angles are congruent because the rectangle have all 90 degree angles. Since all angles are congruent, corresponding angles are congruent.

The corresponding angles are congruent.

To check the ratio of the corresponding sides.

  width of larger screenwidth of smaller screen=14121314 1.1height of larger screenheight of smaller screen=121034 1.1

A the ratio of the larger dimensions to the shorter dimensions, to the nearest tenth, are the same at 1.1 , so the two computers screens are similar.

Therefore, the two computers screens are similar.

Chapter 7 Solutions

Geometry, Student Edition

Ch. 7.1 - Prob. 5CYUCh. 7.1 - Prob. 6CYUCh. 7.1 - Prob. 7CYUCh. 7.1 - Prob. 8CYUCh. 7.1 - Prob. 9CYUCh. 7.1 - Prob. 10PPSCh. 7.1 - Prob. 11PPSCh. 7.1 - Prob. 12PPSCh. 7.1 - Prob. 13PPSCh. 7.1 - Prob. 14PPSCh. 7.1 - Prob. 15PPSCh. 7.1 - Prob. 16PPSCh. 7.1 - Prob. 17PPSCh. 7.1 - Prob. 18PPSCh. 7.1 - Prob. 19PPSCh. 7.1 - Prob. 20PPSCh. 7.1 - Prob. 21PPSCh. 7.1 - Prob. 22PPSCh. 7.1 - Prob. 23PPSCh. 7.1 - Prob. 24PPSCh. 7.1 - Prob. 25PPSCh. 7.1 - Prob. 26PPSCh. 7.1 - Prob. 27PPSCh. 7.1 - Prob. 28PPSCh. 7.1 - Prob. 29PPSCh. 7.1 - Prob. 30PPSCh. 7.1 - Prob. 31PPSCh. 7.1 - Prob. 32PPSCh. 7.1 - Prob. 33PPSCh. 7.1 - Prob. 34PPSCh. 7.1 - Prob. 35PPSCh. 7.1 - Prob. 36PPSCh. 7.1 - Prob. 37PPSCh. 7.1 - Prob. 38PPSCh. 7.1 - Prob. 39PPSCh. 7.1 - Prob. 40PPSCh. 7.1 - Prob. 41PPSCh. 7.1 - Prob. 42PPSCh. 7.1 - Prob. 43PPSCh. 7.1 - Prob. 44HPCh. 7.1 - Prob. 45HPCh. 7.1 - Prob. 46HPCh. 7.1 - Prob. 47HPCh. 7.1 - Prob. 48HPCh. 7.1 - Prob. 49HPCh. 7.1 - Prob. 50STPCh. 7.1 - Prob. 51STPCh. 7.1 - Prob. 52STPCh. 7.1 - Prob. 53STPCh. 7.1 - Prob. 54SPRCh. 7.1 - Prob. 55SPRCh. 7.1 - Prob. 56SPRCh. 7.1 - Prob. 57SPRCh. 7.1 - Prob. 58SPRCh. 7.1 - Prob. 59SPRCh. 7.1 - Prob. 60SPRCh. 7.1 - Prob. 61SPRCh. 7.1 - Prob. 62SPRCh. 7.1 - Prob. 63SPRCh. 7.1 - Prob. 64SPRCh. 7.1 - Prob. 65SRCh. 7.2 - Prob. 1CYPCh. 7.2 - Prob. 2CYPCh. 7.2 - Prob. 3ACYPCh. 7.2 - Prob. 3BCYPCh. 7.2 - Prob. 4CYPCh. 7.2 - Prob. 1CYUCh. 7.2 - Prob. 2CYUCh. 7.2 - Prob. 3CYUCh. 7.2 - Prob. 4CYUCh. 7.2 - Prob. 5CYUCh. 7.2 - Prob. 6CYUCh. 7.2 - Prob. 7CYUCh. 7.2 - Prob. 8PPSCh. 7.2 - Prob. 9PPSCh. 7.2 - Prob. 10PPSCh. 7.2 - Prob. 11PPSCh. 7.2 - Prob. 12PPSCh. 7.2 - Prob. 13PPSCh. 7.2 - Prob. 14PPSCh. 7.2 - Prob. 15PPSCh. 7.2 - Prob. 16PPSCh. 7.2 - Prob. 17PPSCh. 7.2 - Prob. 18PPSCh. 7.2 - Prob. 19PPSCh. 7.2 - Prob. 20PPSCh. 7.2 - Prob. 21PPSCh. 7.2 - Prob. 22PPSCh. 7.2 - Prob. 23PPSCh. 7.2 - Prob. 24PPSCh. 7.2 - Prob. 25PPSCh. 7.2 - Prob. 26PPSCh. 7.2 - Prob. 27PPSCh. 7.2 - Prob. 28PPSCh. 7.2 - Prob. 29PPSCh. 7.2 - Prob. 30PPSCh. 7.2 - Prob. 31PPSCh. 7.2 - Prob. 32PPSCh. 7.2 - Prob. 33PPSCh. 7.2 - Prob. 34PPSCh. 7.2 - Prob. 35PPSCh. 7.2 - Prob. 36PPSCh. 7.2 - Prob. 37PPSCh. 7.2 - Prob. 38PPSCh. 7.2 - Prob. 39PPSCh. 7.2 - Prob. 40PPSCh. 7.2 - Prob. 41PPSCh. 7.2 - Prob. 42PPSCh. 7.2 - Prob. 43PPSCh. 7.2 - Prob. 44PPSCh. 7.2 - Prob. 45PPSCh. 7.2 - Prob. 46PPSCh. 7.2 - Prob. 47PPSCh. 7.2 - Prob. 48PPSCh. 7.2 - Prob. 49PPSCh. 7.2 - Prob. 50PPSCh. 7.2 - Prob. 51HPCh. 7.2 - Prob. 52HPCh. 7.2 - Prob. 53HPCh. 7.2 - Prob. 54HPCh. 7.2 - Prob. 55HPCh. 7.2 - Prob. 56STPCh. 7.2 - Prob. 57STPCh. 7.2 - Prob. 58STPCh. 7.2 - Prob. 59STPCh. 7.2 - Prob. 60SPRCh. 7.2 - Prob. 61SPRCh. 7.2 - Prob. 62SPRCh. 7.2 - Prob. 63SPRCh. 7.2 - Prob. 64SPRCh. 7.2 - Prob. 65SPRCh. 7.2 - Prob. 66SPRCh. 7.2 - Prob. 67SPRCh. 7.2 - Prob. 68SPRCh. 7.2 - Prob. 69SPRCh. 7.2 - Prob. 70SRCh. 7.2 - Prob. 71SRCh. 7.2 - Prob. 72SRCh. 7.3 - Prob. 1ACYPCh. 7.3 - Prob. 1BCYPCh. 7.3 - Prob. 2ACYPCh. 7.3 - Prob. 2BCYPCh. 7.3 - Prob. 3CYPCh. 7.3 - Prob. 4ACYPCh. 7.3 - Prob. 4BCYPCh. 7.3 - Prob. 5CYPCh. 7.3 - Prob. 1CYUCh. 7.3 - Prob. 2CYUCh. 7.3 - Prob. 3CYUCh. 7.3 - Prob. 4CYUCh. 7.3 - Prob. 5CYUCh. 7.3 - Prob. 6CYUCh. 7.3 - Prob. 7CYUCh. 7.3 - Prob. 8CYUCh. 7.3 - Prob. 9PPSCh. 7.3 - Prob. 10PPSCh. 7.3 - Prob. 11PPSCh. 7.3 - Prob. 12PPSCh. 7.3 - Prob. 13PPSCh. 7.3 - Prob. 14PPSCh. 7.3 - Prob. 15PPSCh. 7.3 - Prob. 16PPSCh. 7.3 - Prob. 17PPSCh. 7.3 - Prob. 18PPSCh. 7.3 - Prob. 19PPSCh. 7.3 - Prob. 20PPSCh. 7.3 - Prob. 21PPSCh. 7.3 - Prob. 22PPSCh. 7.3 - Prob. 23PPSCh. 7.3 - Prob. 24PPSCh. 7.3 - Prob. 25PPSCh. 7.3 - Prob. 26PPSCh. 7.3 - Prob. 27PPSCh. 7.3 - Prob. 28PPSCh. 7.3 - Prob. 29PPSCh. 7.3 - Prob. 30PPSCh. 7.3 - Prob. 31PPSCh. 7.3 - Prob. 32PPSCh. 7.3 - Prob. 33PPSCh. 7.3 - Prob. 34PPSCh. 7.3 - Prob. 35PPSCh. 7.3 - Prob. 36PPSCh. 7.3 - Prob. 37HPCh. 7.3 - Prob. 38HPCh. 7.3 - Prob. 39HPCh. 7.3 - Prob. 40HPCh. 7.3 - Prob. 41HPCh. 7.3 - Prob. 42STPCh. 7.3 - Prob. 43STPCh. 7.3 - Prob. 44STPCh. 7.3 - Prob. 45STPCh. 7.3 - Prob. 46SPRCh. 7.3 - Prob. 47SPRCh. 7.3 - Prob. 48SPRCh. 7.3 - Prob. 49SPRCh. 7.3 - Prob. 50SPRCh. 7.3 - Prob. 51SPRCh. 7.3 - Prob. 52SPRCh. 7.3 - Prob. 53SPRCh. 7.3 - Prob. 54SPRCh. 7.3 - Prob. 55SPRCh. 7.3 - Prob. 56SPRCh. 7.3 - Prob. 57SRCh. 7.4 - Prob. 1CYPCh. 7.4 - Prob. 2CYPCh. 7.4 - Prob. 3ACYPCh. 7.4 - Prob. 3BCYPCh. 7.4 - Prob. 3CCYPCh. 7.4 - Prob. 4CYPCh. 7.4 - Prob. 5ACYPCh. 7.4 - Prob. 5BCYPCh. 7.4 - Prob. 1CYUCh. 7.4 - Prob. 2CYUCh. 7.4 - Prob. 3CYUCh. 7.4 - Prob. 4CYUCh. 7.4 - Prob. 5CYUCh. 7.4 - Prob. 6CYUCh. 7.4 - Prob. 7CYUCh. 7.4 - Prob. 8CYUCh. 7.4 - Prob. 9CYUCh. 7.4 - Prob. 10PPSCh. 7.4 - Prob. 11PPSCh. 7.4 - Prob. 12PPSCh. 7.4 - Prob. 13PPSCh. 7.4 - Prob. 14PPSCh. 7.4 - Prob. 15PPSCh. 7.4 - Prob. 16PPSCh. 7.4 - Prob. 17PPSCh. 7.4 - Prob. 18PPSCh. 7.4 - Prob. 19PPSCh. 7.4 - Prob. 20PPSCh. 7.4 - Prob. 21PPSCh. 7.4 - Prob. 22PPSCh. 7.4 - Prob. 23PPSCh. 7.4 - Prob. 24PPSCh. 7.4 - Prob. 25PPSCh. 7.4 - Prob. 26PPSCh. 7.4 - Prob. 27PPSCh. 7.4 - Prob. 28PPSCh. 7.4 - Prob. 29PPSCh. 7.4 - Prob. 30PPSCh. 7.4 - Prob. 31PPSCh. 7.4 - Prob. 32PPSCh. 7.4 - Prob. 33PPSCh. 7.4 - Prob. 34PPSCh. 7.4 - Prob. 35PPSCh. 7.4 - Prob. 36PPSCh. 7.4 - Prob. 37PPSCh. 7.4 - Prob. 38PPSCh. 7.4 - Prob. 39PPSCh. 7.4 - Prob. 40PPSCh. 7.4 - Prob. 41PPSCh. 7.4 - Prob. 42PPSCh. 7.4 - Prob. 43PPSCh. 7.4 - Prob. 44PPSCh. 7.4 - Prob. 45PPSCh. 7.4 - Prob. 46PPSCh. 7.4 - Prob. 47PPSCh. 7.4 - Prob. 48HPCh. 7.4 - Prob. 49HPCh. 7.4 - Prob. 50HPCh. 7.4 - Prob. 51HPCh. 7.4 - Prob. 52HPCh. 7.4 - Prob. 53STPCh. 7.4 - Prob. 54STPCh. 7.4 - Prob. 55STPCh. 7.4 - Prob. 56STPCh. 7.4 - Prob. 57SPRCh. 7.4 - Prob. 58SPRCh. 7.4 - Prob. 59SPRCh. 7.4 - Prob. 60SPRCh. 7.4 - Prob. 61SPRCh. 7.4 - Prob. 62SPRCh. 7.4 - Prob. 63SPRCh. 7.4 - Prob. 64SPRCh. 7.4 - Prob. 65SPRCh. 7.4 - Prob. 66SPRCh. 7.4 - Prob. 67SRCh. 7.4 - Prob. 68SRCh. 7.4 - Prob. 69SRCh. 7.4 - Prob. 70SRCh. 7.4 - Prob. 71SRCh. 7.5 - Prob. 1ACYPCh. 7.5 - Prob. 1BCYPCh. 7.5 - Prob. 2CYPCh. 7.5 - Prob. 3ACYPCh. 7.5 - Prob. 3BCYPCh. 7.5 - Prob. 1CYUCh. 7.5 - Prob. 2CYUCh. 7.5 - Prob. 3CYUCh. 7.5 - Prob. 4CYUCh. 7.5 - Prob. 5CYUCh. 7.5 - Prob. 6PPSCh. 7.5 - Prob. 7PPSCh. 7.5 - Prob. 8PPSCh. 7.5 - Prob. 9PPSCh. 7.5 - Prob. 10PPSCh. 7.5 - Prob. 11PPSCh. 7.5 - Prob. 12PPSCh. 7.5 - Prob. 13PPSCh. 7.5 - Prob. 14PPSCh. 7.5 - Prob. 15PPSCh. 7.5 - Prob. 16PPSCh. 7.5 - Prob. 17PPSCh. 7.5 - Prob. 18PPSCh. 7.5 - Prob. 19PPSCh. 7.5 - Prob. 20PPSCh. 7.5 - Prob. 21PPSCh. 7.5 - Prob. 22PPSCh. 7.5 - Prob. 23PPSCh. 7.5 - Prob. 24PPSCh. 7.5 - Prob. 25PPSCh. 7.5 - Prob. 26PPSCh. 7.5 - Prob. 27PPSCh. 7.5 - Prob. 28PPSCh. 7.5 - Prob. 29PPSCh. 7.5 - Prob. 30PPSCh. 7.5 - Prob. 31HPCh. 7.5 - Prob. 32HPCh. 7.5 - Prob. 33HPCh. 7.5 - Prob. 34HPCh. 7.5 - Prob. 35HPCh. 7.5 - Prob. 36STPCh. 7.5 - Prob. 37STPCh. 7.5 - Prob. 38STPCh. 7.5 - Prob. 39STPCh. 7.5 - Prob. 40SPRCh. 7.5 - Prob. 41SPRCh. 7.5 - Prob. 42SPRCh. 7.5 - Prob. 43SPRCh. 7.5 - Prob. 44SPRCh. 7.5 - Prob. 45SPRCh. 7.5 - Prob. 46SRCh. 7.5 - Prob. 47SRCh. 7.5 - Prob. 48SRCh. 7.5 - Prob. 49SRCh. 7.5 - Prob. 50SRCh. 7.5 - Prob. 51SRCh. 7.6 - Prob. 1ACYPCh. 7.6 - Prob. 1BCYPCh. 7.6 - Prob. 2CYPCh. 7.6 - Prob. 3ACYPCh. 7.6 - Prob. 3BCYPCh. 7.6 - Prob. 1CYUCh. 7.6 - Prob. 2CYUCh. 7.6 - Prob. 3CYUCh. 7.6 - Prob. 4CYUCh. 7.6 - Prob. 5CYUCh. 7.6 - Prob. 6PPSCh. 7.6 - Prob. 7PPSCh. 7.6 - Prob. 8PPSCh. 7.6 - Prob. 9PPSCh. 7.6 - Prob. 10PPSCh. 7.6 - Prob. 11PPSCh. 7.6 - Prob. 12PPSCh. 7.6 - Prob. 13PPSCh. 7.6 - Prob. 14PPSCh. 7.6 - Prob. 15PPSCh. 7.6 - Prob. 16PPSCh. 7.6 - Prob. 17PPSCh. 7.6 - Prob. 18PPSCh. 7.6 - Prob. 19PPSCh. 7.6 - Prob. 20PPSCh. 7.6 - Prob. 21PPSCh. 7.6 - Prob. 22HPCh. 7.6 - Prob. 23HPCh. 7.6 - Prob. 24HPCh. 7.6 - Prob. 25HPCh. 7.6 - Prob. 26HPCh. 7.6 - Prob. 27HPCh. 7.6 - Prob. 28STPCh. 7.6 - Prob. 29STPCh. 7.6 - Prob. 30STPCh. 7.6 - Prob. 31STPCh. 7.6 - Prob. 32SPRCh. 7.6 - Prob. 33SPRCh. 7.6 - Prob. 34SPRCh. 7.6 - Prob. 35SPRCh. 7.6 - Prob. 36SPRCh. 7.6 - Prob. 37SPRCh. 7.6 - Prob. 38SPRCh. 7.6 - Prob. 39SPRCh. 7.6 - Prob. 40SRCh. 7.6 - Prob. 41SRCh. 7.6 - Prob. 42SRCh. 7.6 - Prob. 43SRCh. 7.6 - Prob. 44SRCh. 7.6 - Prob. 45SRCh. 7.7 - Prob. 1CYPCh. 7.7 - Prob. 2CYPCh. 7.7 - Prob. 3CYPCh. 7.7 - Prob. 1CYUCh. 7.7 - Prob. 2CYUCh. 7.7 - Prob. 3CYUCh. 7.7 - Prob. 4CYUCh. 7.7 - Prob. 5PPSCh. 7.7 - Prob. 6PPSCh. 7.7 - Prob. 7PPSCh. 7.7 - Prob. 8PPSCh. 7.7 - Prob. 9PPSCh. 7.7 - Prob. 10PPSCh. 7.7 - Prob. 11PPSCh. 7.7 - Prob. 12PPSCh. 7.7 - Prob. 13PPSCh. 7.7 - Prob. 14PPSCh. 7.7 - Prob. 15PPSCh. 7.7 - Prob. 16PPSCh. 7.7 - Prob. 17PPSCh. 7.7 - Prob. 18PPSCh. 7.7 - Prob. 19PPSCh. 7.7 - Prob. 20PPSCh. 7.7 - Prob. 21HPCh. 7.7 - Prob. 22HPCh. 7.7 - Prob. 23HPCh. 7.7 - Prob. 24HPCh. 7.7 - Prob. 25HPCh. 7.7 - Prob. 26STPCh. 7.7 - Prob. 27STPCh. 7.7 - Prob. 28STPCh. 7.7 - Prob. 29STPCh. 7.7 - Prob. 30SPRCh. 7.7 - Prob. 31SPRCh. 7.7 - Prob. 32SPRCh. 7.7 - Prob. 33SPRCh. 7.7 - Prob. 34SPRCh. 7.7 - Prob. 35SPRCh. 7.7 - Prob. 36SPRCh. 7.7 - Prob. 37SPRCh. 7.7 - Prob. 38SPRCh. 7.7 - Prob. 39SPRCh. 7.7 - Prob. 40SPRCh. 7.7 - Prob. 41SPRCh. 7.7 - Prob. 42SPRCh. 7.7 - Prob. 43SPRCh. 7.7 - Prob. 44SPRCh. 7.7 - Prob. 45SRCh. 7.7 - Prob. 46SRCh. 7.7 - Prob. 47SRCh. 7.7 - Prob. 48SRCh. 7.7 - Prob. 49SRCh. 7 - Prob. 1GRFCCh. 7 - Prob. 2GRFCCh. 7 - Prob. 3GRFCCh. 7 - Prob. 4GRFCCh. 7 - Prob. 5GRFCCh. 7 - Prob. 6GRFCCh. 7 - Prob. 7GRFCCh. 7 - Prob. 8GRFCCh. 7 - Prob. 1MCQCh. 7 - Prob. 2MCQCh. 7 - Prob. 3MCQCh. 7 - Prob. 4MCQCh. 7 - Prob. 5MCQCh. 7 - Prob. 6MCQCh. 7 - Prob. 7MCQCh. 7 - Prob. 8MCQCh. 7 - Prob. 9MCQCh. 7 - Prob. 10MCQCh. 7 - Prob. 11MCQCh. 7 - Prob. 12MCQCh. 7 - Prob. 13MCQCh. 7 - Prob. 14MCQCh. 7 - Prob. 15MCQCh. 7 - Prob. 1SGRCh. 7 - Prob. 2SGRCh. 7 - Prob. 3SGRCh. 7 - Prob. 4SGRCh. 7 - Prob. 5SGRCh. 7 - Prob. 6SGRCh. 7 - Prob. 7SGRCh. 7 - Prob. 8SGRCh. 7 - Prob. 9SGRCh. 7 - Prob. 10SGRCh. 7 - Prob. 11SGRCh. 7 - Prob. 12SGRCh. 7 - Prob. 13SGRCh. 7 - Prob. 14SGRCh. 7 - Prob. 15SGRCh. 7 - Prob. 16SGRCh. 7 - Prob. 17SGRCh. 7 - Prob. 18SGRCh. 7 - Prob. 19SGRCh. 7 - Prob. 20SGRCh. 7 - Prob. 21SGRCh. 7 - Prob. 22SGRCh. 7 - Prob. 23SGRCh. 7 - Prob. 24SGRCh. 7 - Prob. 25SGRCh. 7 - Prob. 26SGRCh. 7 - Prob. 27SGRCh. 7 - Prob. 28SGRCh. 7 - Prob. 29SGRCh. 7 - Prob. 30SGRCh. 7 - Prob. 31SGRCh. 7 - Prob. 32SGRCh. 7 - Prob. 33SGRCh. 7 - Prob. 34SGRCh. 7 - Prob. 35SGRCh. 7 - Prob. 1PTCh. 7 - Prob. 2PTCh. 7 - Prob. 3PTCh. 7 - Prob. 4PTCh. 7 - Prob. 5PTCh. 7 - Prob. 6PTCh. 7 - Prob. 7PTCh. 7 - Prob. 8PTCh. 7 - Prob. 9PTCh. 7 - Prob. 10PTCh. 7 - Prob. 11PTCh. 7 - Prob. 12PTCh. 7 - Prob. 13PTCh. 7 - Prob. 14PTCh. 7 - Prob. 15PTCh. 7 - Prob. 16PTCh. 7 - Prob. 17PTCh. 7 - Prob. 1STPCh. 7 - Prob. 2STPCh. 7 - Prob. 3STPCh. 7 - Prob. 4STPCh. 7 - Prob. 5STPCh. 7 - Prob. 6STPCh. 7 - Prob. 7STPCh. 7 - Prob. 8STPCh. 7 - Prob. 9STPCh. 7 - Prob. 10STPCh. 7 - Prob. 11STPCh. 7 - Prob. 12STPCh. 7 - Prob. 13STPCh. 7 - Prob. 14STPCh. 7 - Prob. 15STP

Additional Math Textbook Solutions

Find more solutions based on key concepts
Knowledge Booster
Background pattern image
Geometry
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, geometry and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Text book image
Elementary Geometry For College Students, 7e
Geometry
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Cengage,
Text book image
Elementary Geometry for College Students
Geometry
ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:Cengage Learning
What is a Linear Equation in One Variable?; Author: Don't Memorise;https://www.youtube.com/watch?v=lDOYdBgtnjY;License: Standard YouTube License, CC-BY
Linear Equation | Solving Linear Equations | What is Linear Equation in one variable ?; Author: Najam Academy;https://www.youtube.com/watch?v=tHm3X_Ta_iE;License: Standard YouTube License, CC-BY