Question

"In the figure below, sin A = 0.7.

What is the length of AC ?

A

14.7

B

21.7

C

30

D

32"

Answer 1

We Know, Sin ∅ = P/H

Sin A = BC/AC

0.7 = 21 / AC

AC = 21/0.7

AC = 30

So, your answer is AC = 30