Answer:
Explanation:
so there is one side we do not know.
you can actually add the 2 4cm sides, and get 8cm. then you add the 3cm from the bottom and get 11, and this would be the unknown side. take 11x2, and get 22 for the area for the first section. Then 5x3 for the bottom part and you can get 15 cm. Add them together, and get 37. 37 square feet.