geometry 10.6 student copy...holt geometry 10-6 volume of prisms and cylinders practice 5. find the...
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Holt Geometry
10-6 Volume of Prisms and Cylinders
Learn and apply the formula for the volume of a prism. !
Learn and apply the formula for the volume of a cylinder.
Objectives
Volume
Vocabulary
Holt Geometry
10-6 Volume of Prisms and Cylinders
The volume of a three-dimensional figure is the number of nonoverlapping unit cubes of a given size that will exactly fill the interior.
Cavalieri’s principle says that if two three-dimensional figures have the same height and have the same cross-sectional area at every level, they have the same volume.
A right prism and an oblique prism with the same base and height have the same volume.
Holt Geometry
10-6 Volume of Prisms and Cylinders
Holt Geometry
10-6 Volume of Prisms and Cylinders
Step 2 Use the base area to compute the volume.
Step 1 Find the apothem and compute the base area.
1 . Find the volume of the right regular hexagonal prism. Round to the nearest tenth, if necessary.
Practice: Finding Volumes of Prisms
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Holt Geometry
10-6 Volume of Prisms and CylindersPractice
2. Find the volume of the prism.
Holt Geometry
10-6 Volume of Prisms and Cylinders
Cavalieri’s principle also relates to cylinders. The two stacks have the same number of CDs, so they have the same volume.
Holt Geometry
10-6 Volume of Prisms and CylindersPractice: Finding Volumes of Cylinders
3. Find the volume of the cylinder. Give your answers in terms of π and rounded to the nearest tenth.
Holt Geometry
10-6 Volume of Prisms and Cylinders
Practice
4. Find the volume of the composite figure. Round to the nearest tenth.
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Holt Geometry
10-6 Volume of Prisms and CylindersPractice
5. Find the volume of the composite figure. Round to the nearest tenth.
Holt Geometry
10-6 Volume of Prisms and Cylinders
6. The length, width, and height of the prism are doubled. Describe the effect on the volume.
Practice: Exploring Effects of Changing Dimensions
Holt Geometry
10-6 Volume of Prisms and CylindersPractice
7. The radius and height of the cylinder are multiplied by . Describe the effect on the volume.