Q.3 The base of an isosceles triangle is    cm. The perimeter of the triangle is   . What is the length of either of the remaining equal sides?

In isosceles triangles, we have 2 sides of equal length.

Given that its perimeter is     cm.

Let's assume the length of the equal side is x cm.

Also,

Transposing   to the RHS side it becomes,

Now dividing both sides by 2, we get

Hence, the length of the equal sides of the isosceles triangle is     cm.

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