Geometry Terms and Notations

What is a line segment?

• Part of a line with 2 endpoints

• Part of a line that has 1 endpoint

• Part of a line with 0 endpoints

• Part of a line with 5 endpoints

Answer explanation

A line segment is defined as part of a line that has 2 endpoints. This distinguishes it from other line forms, such as rays or lines, which have different endpoint characteristics. Therefore, the correct choice is 'Part of a line with 2 endpoints'.

Tags

CCSS.HSG.CO.A.1

What is a ray?

• Part of a line with 2 endpoints

• Part of a line with 1 end point and goes on forever 

• Part of a line with 0 endpoints

• Part of a line with 5 endpoints

Answer explanation

A ray is defined as part of a line that has one endpoint and extends infinitely in one direction. This distinguishes it from a line segment, which has two endpoints, and a line, which has no endpoints.

Tags

CCSS.4.G.A.1

describe the image with a geometric term

• line segment

• ray

• acute angle

• straight angle

Answer explanation

A line segment is a part of a line that has two endpoints. It is the correct term to describe an image that shows a straight path between two points, distinguishing it from rays and angles.

Tags

CCSS.4.G.A.1

Identify this picture. 

• ray AB

• line AB

• line segment AB

• point AB

Answer explanation

The correct choice is 'ray AB' because a ray has a starting point A and extends infinitely in one direction towards point B, unlike a line segment which has two endpoints or a line which extends infinitely in both directions.

Tags

CCSS.HSG.CO.A.1

What is this Symbol called?

• Congruent

• Equal

• Parallel Lines

• Angle

Answer explanation

The symbol represents congruence, indicating that two figures or segments are identical in shape and size. This is distinct from 'equal', which refers to numerical value, and 'parallel lines' or 'angle', which denote different geometric concepts.

Tags

CCSS.8.G.A.2

A __________________ is an object that has no dimension. It is usually represented with a dot that identifies an exact location in space.

• point

• line

• line segment

Answer explanation

A point is defined as an object with no dimension, represented by a dot that marks a specific location in space. This distinguishes it from lines and line segments, which have length.

Tags

CCSS.HSG.CO.A.1

Points that are at the ends of a line segment are called _____________________________.

• endpoints

• arrows

• rays

• midpoints

Answer explanation

Points at the ends of a line segment are called endpoints. This term specifically refers to the two distinct points that define the limits of the segment, distinguishing them from other geometric concepts like rays or midpoints.

Tags

CCSS.HSG.CO.A.1

Name the figure.

• angle

• ray

• line

• line segment

Answer explanation

An angle is formed by two rays that share a common endpoint, known as the vertex. This distinguishes it from a ray, line, or line segment, which do not involve the concept of an angle.

Tags

CCSS.4.G.A.1

Name the figure.

• line segment

• line

• point

• ray

Answer explanation

A line segment is a part of a line that has two endpoints. It is distinct from a line, which extends infinitely in both directions, and a ray, which has one endpoint and extends infinitely in one direction. Therefore, the correct answer is line segment.

Tags

CCSS.4.G.A.1

A flat surface made up of points that has two dimensions and extends without end.

• Point

• Plane

• Angle

• Line

Answer explanation

A plane is defined as a flat surface made up of points that has two dimensions and extends infinitely. This matches the description given in the question, making 'Plane' the correct answer.

Tags

CCSS.HSG.CO.A.1