MAHARASHTRA Class 10 - Tests of Similarity of Triangles Videos

Sum of the angles of a triangle is

A vertical stick 20 m casts a shadow 10 m long on the ground. At the same time, a tower casts a shadow 50 m long on the ground. The height of the tower is

∆ABC ~ ∆DEF, such that AB = 3 cm, BC = 2 cm, CA = 2.5 cm, EF = 4 cm. The perimeter of ∆ABC is