The perimeter of a triangle is 28 cm and the inradius of the triangle is 2.5 cm. What is the area of the triangle?
Select the correct option:
A) 28 cm2	B) 26 cm2	C) 20 cm2	D) 86 cm2	E) 35 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 * 28/2= 
<gadget id="calculator">2.5 * 28/2</gadget>
<output>35</output>
35 cm2   Answer: 35 cm2
<result>E</result>
The perimeter of a triangle is 28 cm and the inradius of the triangle is 2.5 cm. What is the area of the triangle?