Question

Two Two equal side of Isosceles triangle are 5 cm less than twice the third is if the perimeter of triangle is 55 cm find the length of its side

Answer 1

Answer:

Step-by-step explanation:

Let the third side be x

Equal sides =2x-5

Perimeter=55

x+2(2x-5)= 55

x+4x-10=55

5x=65

x=13

So the sides of the triangle are 13,21,21

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