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

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.

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 ladder is at rest with its upper end against a wall and the lower end on the ground. Is the ladder more likely to slip, when a man stands on it at the bottom or a the top? Give reason.

A tower makes an angle of 60^@ at a point P lying in the same plane. From a point Q which is at a vertical distance of 10m from P, the angle of depression of the floor of the tower is 30^@ .Find the height of the tower.

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.

The angle of elevation of a post of height 55m as seen from the foot of a man standing on a road is 60^@ .Find the distance of the man from the post.

An object is kept at 0.2 m from a convex lens of focal length 0.15 m. Find the position of the image formed.

The distance between two poles of the same height standing on the same plane is 100m.The angles of elevation of the tops of the two poles from a point lying on the line joining the base-points of the poles are found to be 30^@ and 60^@ respectively.Find the heights of the poles and the position of the point.

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.