# DEFINITIONS AND POSTULATE IN GEOMETRY WORKSHEET

Refer to the diagram and name each of the following.

Problem 1 :

An angle adjacent to ∠PQT _____

Solution

Problem 2 :

The ray opposite to the ray TS _____

Solution

Problem 3 :

An obtuse angle _____

Solution

Problem 4 :

The sides of ∠TQR ____ and _____

Solution

Problem 5 :

Two right angles _____ and ____

Solution

Problem 6 :

A point on the line PQ that is not on line segment PQ _____

Solution

Problem 7 :

The vertex of the 20º angle _____

Solution

Problem 8 :

The point between P and R _____

Solution

Classify each statement as true or false.

Problem 1 :

Through any two points there is exactly one line. _____

Solution

Problem 2 :

Through any three points there is exactly one line. _____

Solution

Problem 3 :

Through any three points there is exactly one plane. _____

Solution

Problem 4 :

Two lines intersect in exactly one point. _____

Solution

Problem 5 :

Two planes intersect in exactly one point _____

Solution

Problem 6 :

Two planes intersect in a line _____

Solution

Problem 7 :

A line and a plane can intersect in a point. _____

Solution

Complete each statement with the word always, sometimes, or never.

Problem 1 :

Solution

Problem 2 :

If points A and B are in plane R and point C is on AB, then C is _____ in R.

Solution

Problem 3 :

Two intersecting lines _____ lie in exactly one plane.

Solution

Problem 4 :

A line and a point not on the line _____ lie in more than one plane.

Solution

Problem 5 :

A line _____ contains at least two points.

Solution

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