The perimeter of a triangle is 36 cm and the in radius of the triangle is 2.5 cm. What is the area of the triangle?	Choose the most appropriate option:
A) 76
B) 88
C) 66
D) 55
E) 45

Rationale: "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 * 36 / 2 = 45 cm 2 answer : e"
Answer: E