Question

Knowing that sin 30º =

ž, what is a?
300
a
60°
9
o
A. 4.5
B. 15.59
Ο Ο
C. 18
D. 9

Answer 1

Answer is C
Pretty obvious

Answer 2

18, C

Explanation:

Sin(α)=opp/hyp

we know that

.5=9/a

a=18