Question

Two sides of a triangle are 12 cm and 8cm. If the perimeter of the triangle is 26cm, find the length of the third side. *

Answer 1

Answer:

6cm

Step-by-step explanation:

let the third side be x

perimeter of triangle = sum of all side

12+8+x=26

x=26-20

x=6

Answer 2

Answer:

perimeter of the triangle =26cm

a+b+c=26

12+8+c=26

20+c=26

c=26-20

c=6