Answer:
72cm^2
Explanation:
find the area of the top rectangle
= L×B=3×12=36cm^2
find the area of the bottom Rectangle
=L×B
B=12-(4+4)
=12-8
=4
L=9
L×B= 4×9=36cm^2
total area= sum of area of both rectangles=36+36=72cm^2
Answer:72!
Explanation:12 x 3 = 36
4 x 9 = 36
36 + 36 = 72
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