The perimeter of a triangle is 36 cm and the inradius of the triangle is 2.5 cm. What is the area of the triangle?  Choose the correct option:  A) 87 cm2  B) 28 cm2  C) 98 cm2  D) 26 cm2  E) 45 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 * 36/2= 
<gadget id="calculator">2.5 * 36/2</gadget>
<output>45</output>
45 cm2   Answer:45 cm2
<result>E</result>
The perimeter of a triangle is 36 cm and the inradius of the triangle is 2.5 cm. What is the area of the triangle?