Find the area of the quadrilateral of one of its diagonals is 28 cm and its off sets 8 cm and 2 cm? Pick:
A) 140 cm 2  B) 150 cm 2  C) 168 cm 2  D) 182 cm 2  E) 200 cm 2

Rationale: "1 / 2 * 28 ( 8 + 2 ) = 140 cm 2 answer : a"
Answer: A