Answer:
N/A
Explanation:
I cant see the picture
As we can see it is a right angled triangle so
with reference angle 60 degree
hypotenuse (h) = 18
base (b) =x
we know
cos 60 = b /h
0.5 = x / 18
x = 18 * 0.5
x = 9
Hope it was helpful:)
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