Its D. 27.5 units.
Divide the figure into one parallelogram and one triangle.
Count the base and height of the parallelogram:
The base is 5 units, the heigth is 3 units.
AREA- 3 • 5 = 15 units
Count the base and height of the triangle:
The base is 5 units, the height is also 5 units.
AREA- 1/2 • 5 • 5 = 12.5
Add the area of the parallelogram and the area of the triangle:
15 + 12.5 = 27.5
SO, the area of the whole figure is 27.5 square units.
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Have a nice day -SpaceMarsh