Question

Find a.

A. 6
B. 6 times the square root of 2
C. 3 times the square root of 2
D. 3

Answer 1

sin(45)=a/6
a=6sin(45)
a=c

Answer 2

a/6 = 1/ sqrt2 (sin 45)
a = 6 /sqrt2
= 3 times sqrt 2