Answered: 2 In the triangle ABC, the point D divides the line AB in the ratio 1:3 and E divides the line AC also in the ratio 1:3. B D a A bE If AD = a and AE= b, prove…

Elementary Geometry For College Students, 7e

7th Edition

ISBN: 9781337614085

Author: Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher: Cengage,

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Magnitude

A vector is an element with both direction and magnitude. A vector is represented using an arrow, where the arrow represents the direction of the vector and its length is represented using the magnitude. The set of vectors in space is known as vector spa…

Question

Vectors

2 In the triangle ABC, the point D divides the line AB in the ratio 1:3,
and E divides the line AC also in the ratio 1:3.
В
a 4
A bE
C
>
If AD =
a and AE=b, prove that:
a BC= 4 DE,
b BCED is a trapezium.
%3D

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2 In the triangle ABC, the point D divides the line AB in the ratio 1:3 and E divides the line AC also in the ratio 1:3. B D a A bE If AD = a and AE= b, prove that: a BC = 4 DE, %3D

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