Find the area of the quadrilateral of one of its diagonals is 30 cm and its off sets 9 cm and 6 cm?
Choose the correct choice from the following answers
A) 225 cm 2	B) 150 cm 2	C) 127 cm 2	D) 177 cm 2	E) 187 cm 2

Rationale: "1 / 2 * 30 ( 9 + 6 ) = 225 cm 2 answer : a"
Answer: A