The base of an isosceles triangle is 18 cm and its area is 108 cm². Find its perimeter.
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Question

The base of an isosceles triangle is 18 cm and its area is 108 cm2. Find its perimeter.

KnowledgeBoat · Accepted Answer

Given, Base (b) = 18 cm Area = 108 cm2. Let the length of equal sides of the isosceles triangle be a cm. By formula, Perimeter = Sum of all sides of triangle = 15 + 15 + 18 = 48 cm. Hence, perimeter of the isosceles triangle = 48 cm.

Mathematics

The base of an isosceles triangle is 18 cm and its area is 108 cm². Find its perimeter.

Mensuration

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