Question

Given that sin 30=0.5, find x by calculation

Answer 1

x = 10

Explanation:

With reference angle 30°

Perpendicular (p) = 5 cm

hypotenuse (h) = x = ?

Now

sin 30° = p / h

0.5 = 5 / x

x = 5/ 0.5

Therefore x = 10