Question

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

Answer 1

Answer:

perimeter of a triangle= sum of all sides

36=14+12+third side

third side=36-(14+12)

so third side is equal to 10cm

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Answer 2

Step-by-step explanation:

Let the length of third side be x cm.

Length of other two side are 12 cm and 14 cm.

Now, Perimeter of triangle = 36 cm

⇒ 12 + 14 + x = 36

⇒ 26 + x = 36

⇒ x = 36 - 26

⇒ x = 10 cm

Thus, the length of third side is 10 cm.