Question

The perimeter of a triangle of sides 12 cm ,8 cm and 7 cm

Answer 1

Sides of a triangle ,

a= 12cm

b= 8c

c= 7cm

perimeter of triangle = sum of all sides

= a+b+c

= 12+8+7 = 27 cm

Answer 2

Answer:

perimeter of triangles is =a+b+c

12+8+7=27