Question

If two sides of a triangle is 8 cm and 11 cm and its perimeter is 32 cm then third side will
be​

Answer 1

Answer:

perimeter of ∆ = sum of all sides

32 = 8+ 11 + x

x = 32 - 19

x = 13

Third side is 13cm

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Answer 2

Step-by-step explanation:

here is your answer

side 1 = 8 cm

side 2 = 11 cm

side 3 = x

perimeter = 32

perimeter of triangle = side 1 + side 2 + side 3

32 = 8 + 11 + x

32 = 19 + x

32 - 19 = x

13 = x

therefore,

side 3 = 13 cm

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