Question

For the right triangle shown, use the trig functions to find the value of a. Round your answer to the nearest tenth.

A. 12.8
B. 13.6
C. 12.1
D. 14

Answer 1

C. 12.1

Explanation:

tan 30° = 7 / a

a = 7 / tan 30° = 7 / 0.58 = 12.1