`Delta ABC~Delta DEF` and their areas are `64 cm^2 and 100 cm^2` respectively. If `EF=12 cm` then find the measure of BC.

Delta ABC ~ Delta DEF and their areas are respectively 64 cm^(2) and 121 cm^(2) . If EF = 15.4 cm., then find BC.

Let DeltaABC~DeltaDEF and their areas be , respectively , 64 cm^(2) and 121cm^(2) . If EF = 15.4 cm, find BC

The areas of two similar triangles are 81 cm^(2) and 49 cm^(2) respectively. If the altitude of the bigger triangle is 4.5 cm. Find the corresponding altitude of the smaller triangle.

In the figure, a triangle ABC is drawn to circumscribe a circle of radius 2 cm such that the segments BD and DC into which BC is divided by the point of contact are the lengths 4 cm and 3 cm respectively. If the area of DeltaABC=21 cm^(2) , find the length of sides AB and AC.

Prove that the area of the euilateral traingle described on the side of a square is half the area of the equilatiral triangle described on it's square . OR In Delta ABC D,E, F are the midpoints of te sides BC, AC and AB respectively. Find the rations of the areas of Delta DEF Delta ABC

Delta ABC - Delta DEF , Area of Delta ABC = 64 cm^(2) and area of Delta DEF = 121 cm^(2) . If EF = 15.4 cm , Find BC.

The corresponding altitudes of two similar triangles are 6 cm and 9 cm respectively. Find the ratio their areas.

The areas of two similar triangles are 121 cm^(2) and 64 cm^(2) respectively. If The madian of first triangle is 12.1 cm , then what is the corresponding median of the other triangle ?

The areas of two similar triangles are 81 cm^(2) and 49 cm^(2) respectively. What is the ratio of their corresponding sides ?