Lesson 9.5 ext. – Cross Sections of 3-Dimensional Figures

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Lesson 9.5 ext. – Cross Sections of 3-Dimensional Figures

Lesson 9.5 ext. – Cross Sections of 3-Dimensional Figures Consider a plane “slicing” through a solid. The intersection of the plane and the solid is a two-dimensional shape called a cross section. For example, the diagram shows that the intersection of the plane and the rectangular prism is a rectangle.

Lesson 9.5 ext. – Cross Sections of 3-Dimensional Figures Ex. # 1 – Describing the Intersection of a Plane and a Solid Describe the intersection of the plane and the solid.

Lesson 9.5 ext. – Cross Sections of 3-Dimensional Figures Ex. # 2 – Describing the Intersection of a Plane and a Solid Describe the intersection of the plane and the solid.