A ladder 12m long is leaning on a wall.Its foot 6m away from the wall.Find the angle it makes with the ground.

A ladder is kept standing at a slanting position against a wall of a house and in this position the base of the ladder is at a distance of 9.5m from the wall.If the ladder makes an angle of 60^@ with the ground level,find the length of the ladder.

A ladder 10 m long reaches a window 8m above the ground. Find the distance of the foot of the ladder from base of the wall.

A tree of 15 m height was broken due to a heavy wind at a height of h m from the ground.But the broken ends were not completely separated and the top of the tree remained just touching the ground in a slanting position.If the broken portion of the tree makes an angle of 30^@ with the ground find h.

A body is projected in, such a way that it just crosses, a wall of height ,10m at a distance of 20m and falls at a distance of 40m from the wall. Find the velocity of projection

A statue,1.6m tall,stands on the top of a pedestal.From a point on the ground,the angle of elevation of the top of the statue is 60^@ and from the same point the angle of elevation of the top of the pedestal is 45^@ .Find the height of the pedestal.

If the top of a temple subtends an angle of 60^@ at a point on the ground 400m away from its base,find the height of the temple.

If the top of a temple subtends an angle of 30^@ at a point on the ground 300m away from its base,find the height of the temple.

The angle of elevation of the top of a hill at the foot of the tower is 60° and the angle of elevation of the top of a tower from the foot of the hill is 30°.If the tower is 50m high, find the height of the hill.

A circus artist is climbing a 20 m long rope.which is tightly stretched and tied from the top of a vertical pole to the ground.Find the height of the pole,if the angle made by the rope with the ground level is 30^@ (see Fig 9.11)