Perimeter of the following triangle is:
15 cm
9 cm
17 cm
13 cm
Perimeter = 8 + 5 + 4 = 17 cm
In triangle ABC given below, ∠AOC=90∘, AO = 8 cm, BC = 9 cm and AC =10 cm. The length of AB is _______.
Given △ DEF ∼ △ABC. If AB = 3 cm, BC = 2 cm, CA = 2.5 cm and EF = 4 cm, then the perimeter of △DEF is ____.
If the three sides of the triangle are 11m,15m and 6m.What is the semi perimeter of the triangle?