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Congruent Triangles

Find the peri...

Question

Find the perimeter of a $△ A B C$ , where $A B = 7 c m, B C = 9 c m$ and $A C = 11 c m$ .

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Solution

Perimetre of triangle = sum of all sides

$= A B + B C + A C$

$= 7 c m + 9 c m + 11 c m$

$= 27 c m$

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