In the given figure ΔABC and ΔDEF are similar, BC = 3 cm, EF = 4 cm and area of ΔABC = 54 cm². The area of Δ DEF is

Two poles of height 6 m and 11 m stand on a plane ground. If the distance between their feet is 12 m, find the distance between their tops.

Find the altitude of an equilateral triangle of side 2a?

If ratio of areas of two similar triangle is 9 : 16 then ratio of their medians is

The areas of two similar triangles are 81 cm² and 49 cm² respectively. If the altitude of the first triangle is 6.3 cm then the corresponding altitude of the other is.

A ladder 10 cm long reaches a windows 8 cm above the ground. The distance of the foot of the ladder from base of the

wall is,

In figure two line segments AC and BD intersect each other at a point P such that PA = 6 cm, PB = 3 cm, PC = 2.5 cm, PD = 5 cm, ∠APB = 50° and ∠CDP = 30°. Then ∠PBA is equal to

The areas of two similar triangles are respectively 9 cm² and 16 cm².  The ratio of their corresponding side is

ΔABC is such that AB = 3cm, BC = 2 cm and CA = 2.5 cm.  If ΔDEF ~ ΔABC and EF = 4 cm, then perimeter of
ΔDEF is 

If two polygons are similar then their sides are