PERIMETER OF A TRIANGLE -
A triangle is a three sided closed figure. Perimeter of a triangle is the sum of the length of its three sides.
Perimeter of a triangle = A + B + C
Length of the sides = 7 cm, 5 cm, 6 cm
Perimeter of the triangle= A + B + C, So,
= 7 cm + 5 cm + 6 cm
= 18 cm
Ans: The perimeter of the triangle is 18 cm