Mathematics

Some Applications of Trigonometry

Heights and distances using angles of elevation and depression.

Sample Practice Questions

3 questions shown — tap “Show Answer” to check yours.

Medium

A tower stands vertically on the ground. The angle of elevation of its top from a point 30 m away is 60°. The height of the tower is:

A30 m

B30√3 m

C15√3 m

D60 m

Medium

The angle of elevation of the sun when the length of a shadow is √3 times the height of the pole is:

A30°

B45°

C60°

D90°

Easy

From the top of a 10 m high building, the angle of depression to a point on the ground is 45°. The distance of the point from the foot is:

A5 m

B10 m

C10√3 m

D20 m

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