SOLUTION: In a right triangle ABC..AB= 8...B= 32 degrees. Find the value of side a, rounding to the nearest tenth. 1. 4.2 2. 5.4 3. 6.8 4.

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Question 426444: In a right triangle ABC..AB= 8...B= 32 degrees.
Find the value of side a, rounding to the nearest tenth.
1. 4.2
2. 5.4
3. 6.8
4. 7.1

Find the value of side b, rounding to the nearest tenth.
1. 4.2
2. 5.4
3. 6.8
4. 7.1
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!


Hi

 right Triangle ∠B = 32°

  cos(32°) = adj/hyp 

 8*cos(32°) = a = 6.8

 sin(32°) = opp/hyp

 8*sin(32°) = b = 4.2

Note picture for illustration purposes only. 

(the designation of the sides below is relative to angle A)

 

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