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3 years ago

The surface area of a cone is 54 square inches. What is the surface area of a similar cone that is three times as large?

Mathematics

1 answer:

12345 [234]3 years ago

6 0

<u>Given</u>:

Given that the surface area of the cone is 54 square inches.

We need to determine the surface area of the cone that is similar to the cone three times large.

<u>Surface area of the similar cone:</u>

Let us determine the surface area of the similar cone.

The surface area of the similar cone can be determined by multiplying the surface area of the cone by 3. Because it is given that the similar cone is three times large.

Thus, we have;

$SA = 3 \times 54$

$SA=162$

Thus, the surface area of the similar cone is 162 square inches.

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2 years ago

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DaniilM [7]

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3 years ago

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iragen [17]

Answer:

The answer is C.

Step-by-step explanation:

I would simplify the expression first.

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Hope this helps!

6 0

3 years ago

You need to wrap a present that you will put inside a cylindrical container. You’ll need to know how much will fit in the conta

nirvana33 [79]

Answer:

149.28 sq. inches

137.5 cubic inches.

Step-by-step explanation:

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Now, total surface area of the container = $2\pi r^{2} + 2\pi rh$

= $\frac{2 \times 22 \times (2.5)^{2} }{7} + \frac{2 \times 22 \times 2.5 \times 7}{7}$

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3 years ago

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