The perimeter of a triangle is 35 cm and the inradius of the triangle is 4.5 cm. What is the area of the triangle? Choose the correct choice from the following:
A) 22
B) 75
C) 78
D) 54
E) 23

Rationale: "area of a triangle = r * s where r is the inradius and s is the semi perimeter of the triangle . area of triangle = 4.5 * 35 / 2 = 78.75 cm 2 answer : c"
Answer: C