EXAMPLE 1 Name points, lines, and planes

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Presentation transcript:

EXAMPLE 1 Name points, lines, and planes a. Give two other names for PQ and for plane R. b. Name three points that are collinear. Name four points that are coplanar. SOLUTION Other names for PQ are QP and line n. Other names for plane R are plane SVT and plane PTV.

EXAMPLE 1 Name points, lines, and planes b. Points S, P, and T lie on the same line, so they are collinear. Points S, P, T,and V lie in the same plane, so they are coplanar.

GUIDED PRACTICE for Example 1 1. Use the diagram in Example 1. Give two other names for ST . Name a point that is not coplanar with points Q, S, and T. ANSWER TS, PT; point V