Answer:
76
Explanation:
Divide the shape into two shape A and B
then you find the value of the missing sides
Area of Shape A= l×b
Area of Shape A= 4×9
Area of Shape A= 36
Area of Shape B= l×b
Area of Shape B= 8×5
Area of Shape B= 40
Then you add shape a and b= 36+ 40
= 76m