What is the area of a right-angled isosceles triangle with hypotenuse 10 cm?

Topic: Geometry &amp; Mensuration
Subtopic: Triangles

A25 cm²

B50 cm²

C75 cm²

D100 cm²

Explanation

In right isosceles triangle with equal legs x: x^2 + x^2 = 10^2 => 2x^2 = 100 => x^2 = 50. Area = 0.5 * x^2 = 0.5 * 50 = 25 cm².

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