The area of a right-angled triangle i...

The area of a right-angled triangle is 20 sq. cm and one of the sides containing the right angle is 4 cm. The altitude on the hypotenuse is `(41)/(sqrt(34))c m` (b) `sqrt((41)/(40))c m` (c) `(29)/(sqrt(20))c m` (d) `(20)/(sqrt(29))c m`

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