Practice Volume Of A Right Circular Cone (11.3)

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8 questions

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2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is the volume of a cone with a radius of 3 cm and a height of 9 cm?
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Use the formula \\( \\frac{1}{3} \\pi r^2 h \\).
Question 2.
If a cone has a height of 12 cm and a radius of 5 cm, what is its volume?
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Substitute the known values into the formula.
3Question 3.
What is the formula for the volume of a cone?
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Think of how the cone's structure relates to a cylinder.
4Question 4.
True or False: The volume of a cone is always greater than that of a cylinder with the same height and radius.
- True
- False
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Refer back to our practical activity with the sand.
Question 5.
A conical reservoir has a height of 5 m and a base diameter of 3 m. If it is filled to a height of 4 m, find the volume of water it holds.
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Use height of water filled for volume calculation.
Question 6.
How much paint is needed to cover the outside of a conical tank 3 m high with a base radius of 1 m?
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Find the surface area before applying paint amounts needed.

4 more questions in this section. Enroll free to practise them all.