
Patrick B. answered 05/09/20
Math and computer tutor/teacher
rectangle width rectangle height triangle height rectangle area triangle area total area
5 -6 -5 -30 -12.5 -42.5
2 -11 -7 -22 -7 -29
3 -18 -3 -54 -4.5 -58.5
1 -21 -4 -21 -2 -23
total area : -153.1
153/ (15-4) = 153.1/11 = -13.0909090909....