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 :

$\frac{{41}}{{\sqrt {34} }}{\text{ cm}}$$

$\sqrt {\frac{{41}}{{40}}} {\text{ cm}}$$

$\frac{{29}}{{\sqrt {20} }}{\text{ cm}}$$

$\frac{{20}}{{\sqrt {29} }}{\text{ cm}}$$

The area of a right-angled triangle is 20 sq.cm and one of the sides c

1.	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 :
A.	$\frac{{41}}{{\sqrt {34} }}{\text{ cm}}$$
B.	$\sqrt {\frac{{41}}{{40}}} {\text{ cm}}$$
C.	$\frac{{29}}{{\sqrt {20} }}{\text{ cm}}$$
D.	$\frac{{20}}{{\sqrt {29} }}{\text{ cm}}$$
Answer» E.

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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 :

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