Question

Please answer question a b and c?

Answer 1

area of parallelogram = 11 x 7 = 77
area of triangle = 1/2(4)(7) = 14

a)
area of shaded figure = 77 - 14 = 63 cm^2

b)
A = base x height
54 = 9 x height
height = 54/9
height = 6 cm
c)
A = 1/2(b)(h)
40 = 1/2 (10) b
40 = 5b
b = 40/5
b = 8 cm