Question

find the perimeter of 12cm 13 cm 15 cm​

Answer 1

Answer:

perimeter = sum of all sides = 12+13+15=40.

Answer 2

Step-by-step explanation:

the perimeter is nothing but adding the length of all sides

here it is a triangle with sides 12cm,13cm,15cm

by adding them we get 40cm

thus the perimeter is 40 cm