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Please help ASAP failing class if i dont answer correct

Please help ASAP failing class if i dont answer correct-example-1
User Doughy
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1 Answer

1 vote
(See the imagine for reference)
Let’s solve where they have a triangle, so the height is 9 cm, the base is 3 cm:

1/2 • 9 • 3 = 13.5

Since there’s 2 triangles we do:

13.5(2) = 27

Now the rectangle in the middle, where the height is 9cm and the base is 12cm:

12 • 9 = 108

Add up the areas:

108 + 27 = 135
Please help ASAP failing class if i dont answer correct-example-1
User Tetraneutron
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6.8k points