Question

two sides of a triangle are 12cm and 14cm.the perimeter of triangle is 36cm.what is its third side?​

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

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Answer 2

Answer:

10cm

Step-by-step explanation:

two sides are 12 and 14 cm

so,12+14+x=36 cm

26+x=36

x=36-26

x=10cm

third side=10cm