3 years ago

21. answer the question by using the information in the picture

Mathematics

1 answer:

Dominik [7]3 years ago

8 0

Answer:

Step-by-step explanation:

Volume of a cone is (1/3)πr^2h.

You have the necessary info, so just plug it in. (1/3)*π*(3/2)^2*(9/4)

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Step-by-step explanation:

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4 years ago

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frosja888 [35]

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Step-by-step explanation:

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2 years ago

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irinina [24]

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D) $\displaystyle 100π\:in^2$

Step-by-step explanation:

In the circumference, 20 represents the diameter, and the radius is <em>half</em> the diameter, so take half of it to get 10. Then use it in the area formula:

$\displaystyle πr^2 = A \\ \\ π10^2 = 100π$

I am joyous to assist you anytime.

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3 years ago

21. answer the question by using the information in the picture​

21. answer the question by using the information in the picture