Find the area of the quadrilateral of one of its diagonals is 20 cm and its off sets 9 cm and 6 cm?\nOptions:\n(A) 128\n(B) 150\n(C) 887\n(D) 279\n(E) 771
Step-by-step reasoning:
(B)
1/2 * 20(9 + 6) = 150 cm2.

The answer is (B)