If the sides of a triangle are 30 cm, 28 cm and 12 cm, what is its area?  Choose the correct choice from the following.
A) 120 cm2  B) 112 cm2  C) 776 cm2  D) 666 cm2  E) 168 cm2
The triangle with sides 30 cm, 28 cm and 12 cm is right angled, where the hypotenuse is 30 cm.   Area of the triangle = 1/2 * 28 * 12= 
<gadget id="calculator">1/2 * 28 * 12</gadget>
<output>168</output>
168 cm2   Answer: 168 cm2
<result>E</result>
If the sides of a triangle are 30 cm, 28 cm and 12 cm, what is its area?