Each of the equal sides of an isosceles triangle is 13cm and its base is 24cm. Find the area of the triangle.
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height of the triangle=(13^2-12^2)^1/2=5cm
thus area=1/2×base×height=1/2×24×5=60cm^2
thus area=1/2×base×height=1/2×24×5=60cm^2
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