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Perimeter of a Triangle

Find the peri...

Question

Find the perimeter of an isosceles triangle with equal sides $10 c m$ each and third side $7 c m$ .

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Solution

We know that perimeter of any polygon is the sum of all the sides.
Then, Perimeter of given isosceles triangle $= (10 + 10 + 7) c m$
$= 27 c m$

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