Question

the perimeter of a triangle is 57 cm. If two sides of the triangle are 18 cm and 13 cm, find the third side

Answer 1

Let third side be x

you have sum of three sides

i.e. perimeter = 57cm

x+18+13=57

x=57-31

x=26cm

x

Answer 2

mark me brainliest.i hope the answer is correct