Question

please solve this question guys

Answer 1

Perimeter = sum of all sides


Equalatral triangle have 3 equal sides then,
$perimeter = \\ = 9 + 9 + 9 \\ = 27cm$
and congruent triangle have same 27 cm perimeter.




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Answer 2

perimeter of an equilateral triangle=3×side
=3×9=27cm
thus congruent triangles have same perimeter then answer will be 27cm
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