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Chapter 8: Q. 12 (page 527)

Solve each triangle.

Short Answer

Expert verified

The solution isA=25掳,a鈮�8.5,c鈮�16.4

Step by step solution

01

Step 1. Given information 

02

Step 2. Calculation 

We know,

A+B+C=180掳

A+30掳+125掳=180掳

A=25掳

Now use Law of Sines -

role="math" localid="1646915361354" sinAa=sinBb and role="math" localid="1646915377314" sinBb=sinCc

sin25掳a=sin30掳10 sin30掳10=sin125掳c

10sin25掳sin30掳=a c=10sin125掳sin30掳

8.5鈮�a c鈮�16.4

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