passpadi

2018

Mathematics

JAMB

A man stands on a tree 150cm high and sees a boat at an angle of depression of 74°. Find the distance of the boat from the base of the tree.

A.

52 cm

B.

43 cm

C.

40 cm

D.

15 cm

Correct Answer: 43 cm

Explanation

Tan 74 = 150/x x = 150/tan 74 = 43.01 cm

Tan 74 = 150/x x = 150/tan 74 = 43.01 cm
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