B. 66 so for the rectangle you do 5 times 12 which is 60 then for the triangle you do 1/2 times 4 times 3 (1/2 times 12) which is 6 . You get the 4 by subtracting 5 from 9 as shown in the figure and 3 by subtracting 9 from 12 . Tell me if I should try to explain it differently!!