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Hypotenuse of a right triangle is 18 cm and its inradius 3 cm. What is its perimeter? What is its area?

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Hypotenuse of a right triangle is 18 cm and its inradius 3 cm. What is its perimeter? What is its area?

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Perimeter = 3 + x + x + y + y + 3 = 3 + 3 + 18 + 18 = 42 cm

Area = \(\frac{42}{2}\times3=21\times3\) = 63 sq.cm

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