If the sides of a triangle are 78 cm, 72 cm and 30 cm, what is its area?	Choose the correct option
A) 120 cm 2  B) 765 cm 2  C) 1080 cm 2  D) 197 cm 2  E) 275 cm 2

Rationale: "the triangle with sides 78 cm , 72 cm and 30 cm is right angled , where the hypotenuse is 78 cm . area of the triangle = 1 / 2 * 72 * 30 = 1080 cm 2 answer : c"
Answer: C