CBSE Past Year MCQ Quiz

From a point on the ground, which is 30 m away from the foot of a vertical tower, the angle of elevation of the top of the tower is found to be \(60^{\circ}\). The height (in metres) of the tower is :

Assertion (A) : A ladder leaning against a wall, stands at a horizontal distance of 6 m from the wall. If the height of the wall up to which the ladder reaches is 8 m , then the length of the ladder is 10 m .
Reason (R) : The ladder makes an angle of \(60^{\circ}\) with the ground.