Find the elevation of the sun.

An electric pole is 10 metres high. If its shadow is 10√3 metres in length, find the elevation of the sun.

Solution:

Let AB be the pole and
OB is its shadow.

The angle of elevation of the top of a tower from a point on the ground and at a distance of 150 m from its foot is 30°. Find the height of the tower correct to one place of decimal

Solution:

Let BC be the tower and
A is the point on the ground such that
∠A= 30° and AC = 150 m

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