Question

The two equal sides of an isosceles
triangle is twice the third side. If the
perimeter of the triangle is 50 cm, find
the sides of the triangle.​

Answer 1

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Given that, Equal side is twice the third side.

Let the equal side be 'a'. Let the third side be 'b'.

a=2b. Perimeter =50 cm.

a+a+b=50

2b+2b+b=50

5b = 50

b = 10 cm

a = 2b = 2x10= 20cm

Length of each side of a triangle is 10 cm,20 cm, 20 cm.