The perimeter of a triangle is 44 cm and the in radius of the triangle is 2.5 cm. What is the area of the triangle?
Choose the correct choice from the following.
A) 76 B) 88 C) 66 D) 55 E) 35
Area of a triangle = r * s   Where r is the in radius and s is the semi perimeter of the triangle.   Area of triangle = 2.5 * 44/2= 
<gadget id="calculator">2.5 * 44/2</gadget>
<output>55</output>
55 cm2   Answer:55
<result>D</result>
The perimeter of a triangle is 44 cm and the in radius of the triangle is 2.5 cm. What is the area of the triangle?