# Grade 9 Math: Intro to Geometry Volume of a Cone

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### True of False? the following is the correct formula for a surface area of a cone: $$V=\pi r^{2}\frac{h}{3}$$

True
False
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### We have a right circular cone where the radius is 9cm and the height is 10cm. What is the volume?

594.52cm$$^3$$
424.33cm$$^3$$
848.23cm$$^3$$
1001.42cm$$^3$$
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### We have a right circular cone where the radius is 12cm and the height is 15cm. What is the volume?

2261.95cm$$^3$$
1132.34cm$$^3$$
1464.45cm$$^3$$
3231.11cm$$^3$$
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### We have a right circular cone where the radius is 20cm and the height is 20cm. What is the volume?

4373.48cm$$^3$$
6123.23cm$$^3$$
734.11cm$$^3$$
8377.58cm$$^3$$
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### We have a right circular cone where the radius is 3cm and the slant length is 5cm. What is the volume?

30.55cm$$^3$$
41.11cm$$^3$$
37.69cm$$^3$$
64.23cm$$^3$$
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