If the sides of a triangle are 52 cm, 48 cm and 20 cm, what is its area? Choose the correct choice.
A) 450 cm^2	B) 470 cm^2	C) 480 cm^2	D) 420 cm^2	E) 460 cm^2
The triangle with sides 52 cm, 48 cm and 20 cm is right angled, where the hypotenuse is 52 cm.   Area of the triangle   = 1/2 * 48 * 20= 
<gadget id="calculator">1/2 * 48 * 20</gadget>
<output>480</output>
480 cm^2   Answer: 480 cm^2
<result>C</result>
If the sides of a triangle are 52 cm, 48 cm and 20 cm, what is its area?