1.1. Points, Lines, and Planes http://www.ck12.org
- Name the geometric figure below in two different ways.
- Draw three ways three different planes can (or cannot) intersect.
- What type of geometric object is made by the intersection of a sphere (a ball) and a plane? Draw your answer.
For 10-13, use geometric notation to explain each picture in as much detail as possible.
10.
11.
12.
13.
For 14-23, determine if the following statements are ALWAYS true, SOMETIMES true, or NEVER true.
- Any two distinct points are collinear.
- Any three points determine a plane.
- A line is composed to two rays with a common endpoint.
- A line segment is infinitely many points between two endpoints.
- A point takes up space.
- A line is one-dimensional.
- Any four distinct points are coplanar.