The video tutorial covers the calculation of volumes for pyramids, cones, and spheres. It begins with a practical demonstration using a cylinder and a cone to illustrate the concept of volume being one-third for shapes that come to a point. The tutorial then provides detailed explanations and examples for calculating the volume of pyramids, cones, and spheres using their respective formulas. The session concludes with a summary of the key concepts and a brief mention of further exploration in geometry.

What is the relationship between the volume of a cone and a cylinder with the same base and height?

• The cone has half the volume of the cylinder.

• The cone has one-third the volume of the cylinder.

• The cone has the same volume as the cylinder.

• The cone has twice the volume of the cylinder.

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Why is the volume of a pyramid or cone calculated with a 'one-third' factor?

• Because they are taller than other shapes.

• Because they have a pointed top.

• Because they have a larger base area.

• Because they have a circular base.

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CCSS.HSG.GMD.A.3

When calculating the volume of a pyramid, what is crucial to remember about the height?

• It should be perpendicular to the base.

• It should be the same as the base length.

• It should be the height of the base.

• It should be the slant height.

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CCSS.HSG.GMD.A.3

In the example of the pyramid, what was the calculated volume in cubic inches?

• 400 cubic inches

• 360 cubic inches

• 240 cubic inches

• 320 cubic inches

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What is the formula for the volume of a cone?

• 4/3 πr²h

• 2/3 πr²h

• 1/3 πr²h

• πr²h

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How do you handle the units when calculating the volume of a cone?

• Use linear units.

• Use no units.

• Use square units.

• Use cubic units.

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CCSS.8.G.C.9

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What is the formula for the volume of a sphere?

• πr³

• 2/3 πr³

• 4/3 πr³

• 4/3 πr²

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In the sphere example, what was the radius derived from the given circumference?

• 6 meters

• 5 meters

• 8 meters

• 7 meters

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CCSS.8.G.C.9

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What is the volume of a sphere with a radius of 7 meters?

• 1600.0 cubic meters

• 1500.0 cubic meters

• 1436.0 cubic meters

• 1200.0 cubic meters

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CCSS.8.G.C.9

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What mathematical property allows you to change the order of multiplication when calculating volume?

• Associative property

• Distributive property

• Commutative property

• Identity property