Two equal sides of a triangle are each 5m less than twice the third side.If the perimeter of the triangle is 55m , find the length of its sides
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Step-by-step explanation:
Let the third side be x m.
Then the two equal sides are of length (2x−5) m.
Perimeter of triangle = 55 m.
⟹x+(2x−5)+(2x−5)=55
⟹5x−10=55
⟹x=13
Hence, the length of the triangle's sides are 13m, 21m and 21m.
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