The area of a right angled triangle is 20Sq.cm and one of the sides containing

Question

The area of a right angled triangle is 20Sq.cm and one of the sides containing the right angle is 4cm. The altitude on the hypotenuse i.e...,

Options:

A . .

B . .

C . .

D . .

Answer: Option D

Let the attitude be x cm, then
½ x 4 — x = 20
=> x =10 cm
BC =Hypotenuse =
½ x BC x AD = area of Triangle ABC

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