Unit 6, Lesson 23, Grade 7 icon
Unit 6, Lesson 23

Surface Area: 3D

EngageNY 45 min(s)

Students determine the surface area of three-dimensional figures, including both composite figures and those missing sections. Explain the process you used to determine the surface area of the pyramid. The surface area of a pyramid is the union of its base region and all its lateral faces. Encourage students that are struggling to draw a net of the figure to help them determine the surface area. Students find the surface area of the rectangular prism.

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