Question

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

Answer 1

Answer:

10 cm

Step-by-step explanation:

perimeter of triangle =side1 + side2 + side3

36 = 12 + 14 + side 3.

side 3 = 36 - 12 - 14

side 3 = 36-26

side three = 10 cm

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Answer 2

: Required Answer

➝ Given

Two sides of a triangle are 12 cm and 14 cm

➝ Find

its third side?

➝ Solution

➝ 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

hence third side is 10 cm