The perimeter of a triangle is 20cm 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) A)72	B) B)828	C) C)25	D) D)34	E) E)35
Explanation:   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 * 20/2= 
<gadget id="calculator">2.5 * 20/2</gadget>
<output>25</output>
25 cm2   Answer: Option 25
<result>C</result>
The perimeter of a triangle is 20cm and the inradius of the triangle is 2.5 cm. What is the area of the triangle