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92.5 cm²

Step-by-step explanation:

Lets take this step by step

Bottom rectangle is 2 by 5, so then 2*5 = 10

Large rectangle is 8 by 9, so 8*9 = 72

The triangle is 7 by 3, you get the 7 by subtracting the 5 side from the square because using the square you can tell that the height is 9 - something.

The 5 you get is from subtracting the cut part that you might have made because the height of that is 2, therefore you cut off 2 from 7 making it 5

Triangle area is h*b / 2, therefore 7*3 = 21/2 = 10.5

Add them all together, 10.5 + 10 + 72 and you get 92.5

89.5 cm²

Step-by-step explanation:

Large rectangle

a = 8 * 9 = 72

Small rectangle

a = 2 * 5 = 10

Triangle

The missing portion of the height is 9 - 7 = 2

The total height is 3 + 2 = 5

a = (1/2)(3)(5)

a = 7.5

Total area

a = 72 + 10 + 7.5

a = 89.5 cm²

c

step-by-step explanation:

i would say c

step-by-step explanation: