Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN: 9780134463216
Author: Robert F. Blitzer
Publisher: PEARSON
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Question
100%
=
7
7
In this question, all measurements are in metres.
The diagram shows a right-angled triangle.
(a) Show that 5x²-12x-27= 0.
~ b ± √b²³² - 400
2a
+12+√√1444540
10
6
(b) Solve 5x² - 12x - 27 = 0.
Show all your working and give your answers correct to 2 decimal places.
+12+261 f
2x-3
to
12+ 26.1
JO
(c) Calculate the perimeter of the triangle.
(d) Calculate the smallest angle of the triangle.
S
DEA
NOT TO
SCALE
X =
3.81
or x =
3x +3
-1.91
expand button
Transcribed Image Text:= 7 7 In this question, all measurements are in metres. The diagram shows a right-angled triangle. (a) Show that 5x²-12x-27= 0. ~ b ± √b²³² - 400 2a +12+√√1444540 10 6 (b) Solve 5x² - 12x - 27 = 0. Show all your working and give your answers correct to 2 decimal places. +12+261 f 2x-3 to 12+ 26.1 JO (c) Calculate the perimeter of the triangle. (d) Calculate the smallest angle of the triangle. S DEA NOT TO SCALE X = 3.81 or x = 3x +3 -1.91
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