Answered: What is the measure of side "b" in the…

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What is the measure of side "b" in the triangle in the following figure? a b 70° 50° 15

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

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

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

ChapterP: Preliminary Concepts

SectionP.CR: Review Exercises

Problem 42CR: In the figure, mABD=2y+7, mDBC=y+10 and mABC=62. Find y.

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Question

What is the measure of side "b" in the triangle in the following figure?
a
b
70°
50
15
A O
16.8
18.4
CO
12.2
DO
17.9

Expert Solution

Step 1

$F o r a ∆ A B C$

Sine rule is given by

$\frac{a}{\sin (A)} = \frac{b}{\sin (B)} = \frac{c}{\sin (C)}$

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