If the sides of a triangle are 17.2 cm, 14 cm and 10 cm, what is its area? Choose one.
A) 60 cm^2  B) 70 cm^2  C) 80 cm^2  D) 85 cm^2  E) 90 cm^2
The triangle with sides 17.2 cm, 14 cm and 10 cm is right angled, where the hypotenuse is 17.2 cm.   Area of the triangle   = 1/2 * 14 * 10= 
<gadget id="calculator">1/2 * 14 * 10</gadget>
<output>70</output>
70 cm^2   Answer: 70 cm^2
<result>B</result>
If the sides of a triangle are 17.2 cm, 14 cm and 10 cm, what is its area?