One side of a right-angled triangle is twice the other, and the hypotenuse is 10

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One side of a right-angled triangle is twice the other, and the hypotenuse is 10 cm. The area of the triangle is :

Options:

A . 20 cm2

B . $$33\frac{1}{3}$$ cm2

C . 40 cm2

D . 50 cm2

Answer: Option A

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