If the sides of a triangle are 78 cm, 72 cm and 30 cm, what is its area? Choose the correct option:  A) 1030 cm^2  B) 1380 cm^2  C) 105 cm^2  D) 1000 cm^2  E) 1080 cm^2
The triangle with sides 78 cm, 72 cm and 30 cm is right angled, where the hypotenuse is 78 cm.   Area of the triangle   = 1/2 * 72 * 30= 
<gadget id="calculator">1/2 * 72 * 30</gadget>
<output>1_080</output>
1080 cm^2   Answer: 1080 cm^2
<result>E</result>
If the sides of a triangle are 78 cm, 72 cm and 30 cm, what is its area?