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.

Algebra ->  Trigonometry-basics -> 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.      Log On


   

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) About Me  (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)