Question

a ladder is placed again a wall of a house such that its upper end is touching the top of wall.the foot of the ladder is 8cms away from the foot of the wall and the ladder is making an angle of 30degree with the level of ground. determine the height of the wall

Answer 1

First you have to put tan30=p/b then tan30=1/root3. 1/root3=p/b. 1/root3=p/8 then solve it answer is 8/root3