The perimeter of a triangle is 32 cm and the inradius of the triangle is 2.5 cm. What is the area of the triangle?	Choose the correct choice from the following choices:
A) 46 cm2  B) 42 cm2  C) 29 cm2  D) 25 cm2  E) 40 cm2
Area of a triangle = r * s   Where r is the inradius and s is the semi perimeter of the triangle.   Area of triangle = 2.5 * 32/2= 
<gadget id="calculator">2.5 * 32/2</gadget>
<output>40</output>
40 cm2   Answer: 40 cm2
<result>E</result>
The perimeter of a triangle is 32 cm and the inradius of the triangle is 2.5 cm. What is the area of the triangle?