# Find the area of an isosceles triangle, the measure of one of its equal sides being 'b' and the third side a.

Given: Measure of equal side = b units

Measure of the third side = a units

To Find: Area of the isosceles triangle

Concept Used:

If sides of a triangle are a, b, and c, then area of a triangle is given by: Where s = semiperimeter of the triangle Explanation:     [Applying the formula: (a + b)(a – b) = a2 – b2] Hence, the area of the isosceles triangle is .

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