If the angle of elevation of sun is 45°, then the length of the shadow of a 12 m high tree is …………

Observe the figure. Length of the ladder = ……………

The angle of depression from the top of a tower 12 m height, at a point on the ground is 30°. The distance of the point from the top is …………

If the shadow of the tree $\frac{1}{\sqrt{3}}\backslash frac\{1\}\{\backslash sqrt3\}$ is times the height of the tree, then the angle of elevation of the sun is …………

The angle of elevation of a jet plane from a point A on the ground is 60°. After a flight of 15 seconds, the angle of elevation changes to 30°. If the jet plane is flying at a constant height of 1500 $\sqrt{3}\backslash sqrt3$ meter, then the speed of the plane is ……………….. m/sec.

The angle of elevation of top of a tower at a distance of 500 m from the foot is 30°. Then the height of the tower is …………

If altitude of the sun is 60°. Then the height of the tower which is casting a shadow of 30 m. is ………………… m.

If a 6m height pole casts a shadow $2\sqrt{3}2\; \backslash sqrt3$ m long on the ground, then the sun’s angle of elevation is

From a point 30m from the foot of a tower, the angle of elevation of the top is 30°. Then the height of the tower is

From a ship masthead 150 ft high, the angle of depression of a boat is observed to 45°. Its distance from the ship is