Question

b) In a sunny day, the length of the shadow of a pole 30m long is equal to the
of the pole. After a while, it is found to be 51.96m long, find the altitude of the sun in both cases.​

Answer 1

When the shadow is 30 meters long, the angle of the sun is 45°.

When the shadow is 51.96 meters long, the angle of the sun is arctan(30/51.96) = 30°