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in Class IX Maths by (-12,635 points)

An isosceles right triangle has area 8 cm. Find the length of its hypotenuse.

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Area = 1/2a2    ⇒  1/2a2  = 8

⇒  a2  = 16 cm   ⇒  a = 4 cm

Hypotenuse = √2a = √2.4 = 4√2 cm.

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