Back to Describe the two-dimensional figures that result from slicing three-dimensional figures — Problem 1 · Task Set 25

7.G.A.3 Tutor Intake -- Cross-Sections of Prisms and Pyramids

This short check helps your tutor see where to start. Work on your own,
without a calculator. If you're unsure, give your best try — the goal is
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Grade 7·7 problems·~9 min·Common Core Math - Grade 7·standard·7-g-a-3

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Concepts

What is a cross-section of a 3D solid?

The 2D shape formed where a flat plane intersects (slices through) the solid.

Any one of the flat outer faces of the solid.

The piece of the solid that falls away after cutting.

The 2D shadow the solid casts when light shines on it.