A ladder 25 feet long is leaning against a wall such that it touches 24 feet high window. How far is the foot of the ladder from the wall ?

A 5 meter tall tree casts a shadow of 12 meter. At the same time, a nearby tower casts a shadow of 48 meter. Find the height of the tower.

A man 2 m tall is walking away from a street light of height 10 m. If the length of his shadow is 6 m, find the distance of the man from the street light.

Find the area of triangle whose base measures 22 cm and the corresponding height measure 18 cm.

Find the area of the triangle, whose sides are 8 cm, 10 cm, and 12 cm long.

From the figure, find the values of $x$ and $y$.

The area of triangle ABF is.