The perimeter of a triangle is 48 cm and the in radius of the triangle is 2.5 cm. What is the area of the triangle? Pick: A) 76 B) 88 C) 60 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 * 48/2= 
<gadget id="calculator">2.5 * 48/2</gadget>
<output>60</output>
60 cm2   Answer:60
<result>C</result>
The perimeter of a triangle is 48 cm and the in radius of the triangle is 2.5 cm. What is the area of the triangle?