Answer:
y = 72.5 cm
Explanation:
We know that tan theta = opposite/ adjacent
tan 30 = x/y
tan 30 =36.25/y
Multiply each side by y
y tan 30 = 36.25y/y
y tan 30 = 26.25
Divide each side by tan 30
y tan 30 / tan 30 = 36.25/tan 30
y = 36.25/ tan 30
y =72.5