Answer:
it's answer is
D. = 18 and y = 9
D. x = 18 cm , y = 9
Explanation:
With reference angle 60
perpendicular (p) = 9
base(b)= y
hypotenuse (h) = x
Then
sin 60 = p/h
x = 18
Now
cos 60 = b/h
1/2 = y/18
y = 9
Hope it will help :)
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