4th Grade Geometry Vocabulary

What are intersecting lines?

• Lines that run parallel to each other.

• Lines that cross each other at one point.

• Lines that never meet or cross.

• Lines that are perpendicular to each other.

Tags

CCSS.HSG.CO.A.1

What is a line segment?

• A part of a line that has two endpoints.

• A line that extends infinitely in one direction.

• A curve that connects two points.

• A straight line with no endpoints.

Tags

CCSS.HSG.CO.A.1

What are perpendicular lines?

• Lines that intersect to form right angles (90 degrees).

• Lines that run parallel to each other.

• Lines that meet at acute angles.

• Lines that are completely separate and do not intersect.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Do parallel lines cross each other?

• Yes, they cross at some point.

• Only in three-dimensional space.

• No, parallel lines never cross each other.

• They cross at infinity.

Tags

CCSS.HSG.CO.A.1

What is the definition of an angle?

• An angle is formed by two rays that share a common endpoint.

• An angle is a measure of the distance between two points.

• An angle is a type of geometric shape with three sides.

• An angle is the space between two intersecting lines.

Tags

CCSS.4.G.A.1

What is a quadrilateral?

• A polygon with three sides.

• A polygon with four sides.

• A polygon with five sides.

• A polygon with six sides.

Tags

CCSS.2.G.A.1

What is a right angle?

• An angle that measures exactly 90 degrees.

• An angle that measures exactly 45 degrees.

• An angle that measures exactly 180 degrees.

• An angle that measures less than 90 degrees.

Tags

CCSS.4.G.A.1

What is a ray?

• A part of a line that begins at one endpoint and continues without end in one direction.

• A straight line that connects two points.

• A geometric shape with three sides.

• A line that has two endpoints.

Tags

CCSS.4.G.A.1

What is the sum of the interior angles of a triangle?

• 90 degrees

• 180 degrees

• 360 degrees

• 120 degrees

Tags

CCSS.8.G.A.5

What is a triangle?

• A polygon with three sides.

• A shape with four equal sides.

• A curved figure with no angles.

• A polygon with five sides.

Tags

CCSS.2.G.A.1