Find the area of the quadrilateral of one of its diagonals is 50 cm and its off sets 10 cm and 8 cm? Choose the correct choice from the following options.
A) 189 cm 2	B) 150 cm 2	C) 127 cm 2	D) 450 cm 2	E) 187 cm 2

Rationale: "1 / 2 * 50 ( 10 + 8 ) = 450 cm 2 answer : d"
Answer: D