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If you were to slice a cereal box with a geometric plane as shown, what shape would result?
In this lesson you will learn how to describe the cross sections of a right rectangular prism by slicing at different angles.
Let’s Review Right rectangular prism Plane
A Common Mistake Interpreting a perspective drawing as though you were looking at it straight on: Rectangle
Let’s Review Core Lesson Vocabulary: Cross section The two-dimensional shape that results from cutting a three- dimensional shape with a plane Circle
Let’s Review Core Lesson Parallel Planes: Two planes that never intersect
Let’s Review Core Lesson Perpendicular Planes: Two planes that intersect at a right angle (90 degree angle)
Let’s Review Core Lesson Cutting a right rectangular prism with a plane parallel to its base Rectangle
Let’s Review Core Lesson Cutting a right rectangular prism with a plane not parallel to its base Rectangle
Let’s Review Core Lesson Cutting a right rectangular prism with a plane perpendicular to its base Rectangle
In this lesson you have learned how to describe the cross sections of a right rectangular prism by slicing at different angles.
Let’s Review Guided Practice Describe the shape of the cross section formed by the intersection of this plane and right rectangular prism.
Let’s Review Extension Activities Explain why any plane parallel to one face of a right rectangular prism will intersect the prism to form a rectangular cross section.
Let’s Review Extension Activities Describe the shape of the cross section formed by the intersection of a right rectangular prism and a plane that cuts off one corner of the prism.
Let’s Review Quick Quiz 1. Describe the shape of the cross section formed by the intersection of this plane and prism:
Let’s Review Quick Quiz 2. Describe in words the plane that would form the cross section shown in this right rectangular prism:
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+ Cross Sections SWBAT: Describe the two-dimensional figures that result from slicing three-dimensional figures, as in plane sections of right rectangular.
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+ Cross Sections SWBAT: Describe the two-dimensional figures that result from slicing three-dimensional figures with a plane.
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