The perimeter of a triangle is 24 cm and the inradius of the triangle is 2.5 cm. What is the area of the triangle?  Options
A) 30 cm 2 B) 85 cm 2 C) 65 cm 2 D) 45 cm 2 E) 35 cm 2

Rationale: "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 * 24 / 2 = 30 cm 2 answer : a"
Answer: A