Question

two sides of a triangle are 10 cm and 15 cm the perimeter of triangle is 40 cm what is the third side​

Answer 1

@brainly..

let the third side be x

A.T.Q.---

10+15+x=40

x=15

Hence the third side is 15cm

Answer 2

Answer:

the third side will be

Perimeter - 2 sides of the triangle

= 40 - 10 - 15

= 15 cm.

Hope that it's help you.