Main content

## High school geometry

### Course: High school geometry > Unit 9

Lesson 1: 2D vs. 3D objects# Cross sections of 3D objects (basic)

## Problem

Stuck?

Stuck?

If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains ***.kastatic.org** and ***.kasandbox.org** are unblocked.

Main content

Stuck?

Stuck?