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 most appropriate option.
A) A)72
B) B)45
C) C)729
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 * 36/2= 
<gadget id="calculator">2.5 * 36/2</gadget>
<output>45</output>
45 cm2   Answer: Option 45
<result>B</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