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Chapter 8: Q.6 (page 553)

Solve each triangle.

Short Answer

Expert verified

The value of the angle is A=70

The length of the sides of the triangleb=3.4a=9.4

Step by step solution

01

Step 1. Given information   

The given data from the graph isB=20c=10

02

Step 2. Find the angle A

The Sum of all angles of a triangle is 180

Therefore,A+20+90=180A=180-110A=70

03

Step 3. Find the length of b

By using the law of sines.sin20=b10b=10sin20b=3.4

04

Step 4. By using law of sines

sinAa=sinBb=sinCcsin70a=sin20b=sin9010sin70a=sin9010a=10sin70a=9.39

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Most popular questions from this chapter

If two sides and the included angle of a triangle are given, the Law of _______ is used to solve the triangle .

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