Unit 1- Basics of Geometry and Constructions Vocabulary

What is the definition of a point in geometry?

• A straight path that continues in both directions forever.

• A piece of a line that starts at one point and extends indefinitely in one direction.

• A precise location or place on a plane, represented by a dot.

• A flat, two-dimensional object with no thickness.

Tags

CCSS.HSG.CO.A.1

Which term describes a straight path that continues in both directions forever?

• Line segment

• Line

• Ray

• Plane

Tags

CCSS.4.G.A.1

What is a line segment?

• A straight path that continues in both directions forever.

• A piece of a line located between two points.

• A piece of a line that starts at one point and extends indefinitely in one direction.

• A flat, two-dimensional object with no thickness.

Tags

CCSS.HSG.CO.A.1

What is a ray in geometry?

• A straight path that continues in both directions forever.

• A piece of a line located between two points.

• A piece of a line that starts at one point and extends indefinitely in one direction.

• A flat, two-dimensional object with no thickness.

Tags

CCSS.4.G.A.1

How is a plane defined in geometry?

• A straight path that continues in both directions forever.

• A piece of a line located between two points.

• A flat, two-dimensional object with no thickness and extends forever.

• A piece of a line that starts at one point and extends indefinitely in one direction.

Tags

CCSS.HSG.CO.A.1

What is an angle in geometry?

• Formed by two rays with the same endpoint.

• A piece of a line located between two points.

• A flat, two-dimensional object with no thickness.

• A straight path that continues in both directions forever.

What is the point where two rays meet called?

• Angle

• Vertex

• Line segment

• Plane

Tags

CCSS.4.G.A.1

What are parallel lines?

• Two lines on the same plane that do not intersect and have the same slope.

• Two intersecting lines that form a 90° angle.

• A piece of a line located between two points.

• A flat, two-dimensional object with no thickness.

Tags

CCSS.HSG.CO.A.1

What are perpendicular lines?

• Two lines on the same plane that do not intersect and have the same slope.

• Two intersecting lines that form a 90° angle and have opposite reciprocal slopes.

• A piece of a line located between two points.

• A flat, two-dimensional object with no thickness.

Tags

CCSS.HSG.CO.A.1

CCSS.4.G.A.1

What is a reflection in geometry?

• A transformation producing a mirror image across a line.

• A transformation by turning a figure about a center point or axis.

• A transformation moving every point in a figure in the same direction and distance.

• A transformation preserving distance and angle measure.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5