Question

Please help I'm awarding 15 points to the best answer!

Answer 1

42

Top triangle is 9

the bottom is 15

added together is 24

the whole box is 66

66-24=42

Answer 2

Step-by-step explanation:

the area of shaded part =

(11×6) - (½×5×6)-(½×3×6)

= 66-15-9 = 42 sq. units