A man wants to reach a window which is 40ft. above the ground. The distance from the foot of the ladder to the wall is 9 feet. How long should the ladder be?
window @ the height=h=40 ft distance from wall to bottom of ladder=b=9 ft length of ladder from ground to window=l ft by pythagoras theorem (l)^2=(h)^2+((b)^2 (l)^2=(40)^2+(9)^2 l=41 ft Ans: Length of ladder=41 ft
A man travelled 48 1/3 km. He covered 29 1/3 km by scooter, 8 5/6 km on bicycle and remaining distance on foot. How much did he travel on foot?
A horse is tied to a fifteen-foot rope and there is a bale of hay 25 feet away from him. The horse however is still able to eat from the hay. How is this possible?
A man is found hanging in a room 30 feet off the ground. There is nothing else in the room except for a large puddle of water on the ground. The police can't see any way the man could have climbed the walls to get to where he is hanging. How did this man hang himself?
From a point P on a level ground, the angle of elevation of the top tower is 30º. If the tower is 100 m high, Then what is the the distance of point P from the foot of the tower.