Question

Each of the 2 equal sides of an isosceles triangle is twice as large as the third side. If the perimeter of the triangle is 35cm, find the length of each side of the triangle​

Answer 1

Answer:

7cm, 14cm & 14cm

Step-by-step explanation:

Let the third side be 'x'.

Given, perimeter of the triangle = 35cm, and that one isosceles side = 2x.

Therefore, perimeter of triangle = sum of all three sides = x + 2x + 2x = 5x.

But, perimeter = 35 (given). Thus, 5x = 35, implies x = 7.

Therefore, the lengths of each side of the triangle are : x, 2x & 2x or 7cm, 14cm & 14cm.

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