Exemplar exercise problems VI — task. Mathematics CBSE, Class 10.

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1. Find the angle of elevation of the sun when the shadow of a pole

$h$ metres high is

$\sqrt{3} h$ metres long.

Answer:

The angle of elevation of the sun is

$i °$ .

2. A ladder

$15$ metres long just reaches the top of a vertical wall. If the ladder makes an angle of

$60^{\circ}$ with the wall, find the height of the wall.

Answer:

The height of the wall is

$m$ .

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31. Exemplar exercise problems VI