Question

Instructions: Find the missing side. Round your answer to the nearest

tenth.
15
66°
х
x
=

Answer 1

x = 16.4

Explanation:

Since this is a right triangle, we can use trig functions

sin theta = opp / hyp

sin 66 = 15/x

x sin 66 = 15

x = 15/sin 66

x=16.41954

Rounding to the nearest tenth

x = 16.4