Unit 2 Vocab: Geometry Terms and Definitions

Match the following geometric terms with their definitions:

• A flat surface that extends infinitely in all directions.

• Ray

• A location in space with no size or dimension.

• Line

• A figure formed by two rays with a common endpoint.

• Plane

• A part of a line that has a fixed starting point and extends infinitely in one direction.

• Point

• A straight path that extends infinitely in both directions.

• Angle

Tags

TEKS.MATH.4.6A

What is the definition of a 'Linear Pair'?

• An adjacent angles that are supplementary…straight line

• congruent angles directly across from each other on intersecting lines

• two lines that never intersect

• A measurable part of a line consisting of two endpoints.

Tags

TEKS.MATH.7.11C

A 'Right Angle' is an angle with a degree of ____.

• 45°

• 90°

• 180°

• 360°

Tags

TEKS.MATH.4.7D

Which of the following describes 'Parallel Lines'?

• Two lines that never intersect

• Two lines that intersect at a 90° angle

• A line that extends indefinitely in one direction

• A measurable part of a line consisting of two endpoints.

Tags

TEKS.MATH.4.6A

The 'Distance Formula' is used to find the distance between two points on a ____.

• coordinate plane

• line segment

• ray

• angle

An 'Acute Angle' is an angle with a degree measure ____.

• less than 90°

• equal to 90°

• greater than 90°

• equal to 180°

Tags

TEKS.MATH.4.7D

What is the definition of 'Collinear'?

• Points that lie on the same line

• Points that do not lie on the same line

• A line that extends indefinitely in one direction

• A measurable part of a line consisting of two endpoints.

Tags

TEKS.MATH.4.6A

Which of the following is true for 'Complementary Angles'?

• Two angles with measures that have a sum of 90°

• Two angles with measures that sum to 180°

• Two angles that have the same measure

• Two angles that share a common side and vertex.

Tags

TEKS.MATH.7.11C

A 'Line Segment' is a measurable part of a line consisting of ____.

• two endpoints

• one endpoint

• no endpoints

• three endpoints

Tags

TEKS.MATH.4.6A

What is the definition of 'Perpendicular Bisector'?

• A line, segment, or ray perpendicular to a segment at its midpoint

• Two lines that never intersect

• A line that extends indefinitely in one direction

• A measurable part of a line consisting of two endpoints.

Tags

TEKS.MATH.4.6A