The perimeter of a triangle is 40 cm and the inradius of the triangle is 2.5 cm. What is the area of the triangle Choose the most appropriate option:
A) A)72	B) B)828	C) C)50	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 * 40/2= 
<gadget id="calculator">2.5 * 40/2</gadget>
<output>50</output>
50 cm2   Answer: Option 50
<result>C</result>
The perimeter of a triangle is 40 cm and the inradius of the triangle is 2.5 cm. What is the area of the triangle