Question

12. Two sides of a triangle are 12 cm and 14 cm. The perimeter of the triangle is
36 cm. What is its third sides​

Answer 1

Answer:

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  

∴ length of the third side of triangle =10cm

Step-by-step explanation:

Answer 2

: Required Answer

➝ Let x cm be the third side

➝ Perimeter of triangle = 36 cm

12 + 14 + x = 36

26 + x = 36

x = 36 – 26

x = 10 cm

The third side is 10 cm