Question

a person hundred metres from the base of a tree observes that the angle between the ground and the top of a tree is 18 degrees​

Answer 1

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Solution❇

Use the tangent

tan(18o) = h / 100

Solve for h to obtain

h = 100 tan(18o) = 32.5 meters

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Answer 2

$\huge\underline\mathbb\pink{Answer}$

Use the tangent

tan(18o) = h / 100

Solve for h to obtain

h = 100 tan(18o) = 32.5 meters