M L Aggarwal Solutions for Exercise 3: Multiple Choice Questions

If a kite is flying at a height of $40\sqrt{3}$ metres from the level ground, attached to a string inclined at $60°$ to the horizontal, then the length of the string is

If the angle of depression of an object from a $75 \mathrm{m}$ high tower is $30°$, then the distance of the object from the tower is

A ladder $14 \mathrm{m}$ long rests against a wall. If the foot of the ladder is $7 \mathrm{m}$ from the wall, then the angle of elevation is

A pole $6 \mathrm{m}$ high casts a shadow $2\sqrt{3} \mathrm{m}$ long on the ground, then the sun's elevation is

If the length of the shadow of a tower is $\sqrt{3}$ times that of its height, then the angle of elevation of the sun is

In $△ABC, \angle A=30°$ and $\angle B=90°$. If $AC=8 \mathrm{cm}$, then its area is