Find the area of the quadrilateral of one of its diagonals is 40 cm and its off sets 9 cm and 6 cm?
Answers:
A) 189 cm 2 B) 300 cm 2 C) 127 cm 2 D) 177 cm 2 E) 187 cm 2

Rationale: 1 / 2 * 40 ( 9 + 6 ) = 300 cm 2 answer : b
Answer: B