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Murrr4er [49]
2 years ago
9

Please help ASAP failing class if i dont answer correct

Mathematics
1 answer:
NNADVOKAT [17]2 years ago
8 0
(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

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Based on the given parameters about old cone, the height of the new cone is 12 inches

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2 : 6 = 4 : h

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cross product

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2h = 24

h = 24/2

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Learn more about ratio:

brainly.com/question/2328454

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