Question

2) two sides of a triangle are 12 cm and 14 cm. The perimeter of the trang
36 cm. What is its third side?​

Answer 1

Answer:

10cm

Step-by-step explanation:

Given two sides of the triangle are 12cm and 14cm

the perimeter of triangle =36cm

Let the length of the third side =acm

the perimeter of triangle = sum of the length of sides of the triangle.

Accoreding to problem,

12+14+a=36

⇒26+a=36

⇒a=36−26

⇒a=10

∴ the third side of triangle =10cm