Question

two equal sides of a triangle are each 5 less then twice the third side. Perimeter of triangle is 55m. Find the length of its sides.​

Answer 1

Answer:

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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