Question

Two sides of a triangle are 13 cm and 14 cm and its perimeter is 36 cm. Find the third side of this

triangle.​

Answer 1

Answer:

9

Step-by-step explanation:

let the sides be a,b,c respectively

then a+b+c=36cm

a=13cm

b=14cm

c=X

13cm+14cm+X =36cm

27cm +X =36cm

X=36-27cm

X=9cm

therefore third side =9cm

Answer 2

Answer:

let the sides of the triangle be A, B, and C.

ANS will be 9 cm

Step-by-step explanation:

A+B+C=36 cm

13+14+C=36 cm

27+C=36

C= 9cm