Lines, Line Segments, Rays, Angles and more

Front

What is a point in geometry?

Back

A point is an exact location in space, typically represented by a dot.

Tags

CCSS.4.G.A.1

Front

What is a line in geometry?

Back

A line is a straight one-dimensional figure that extends infinitely in both directions.

Tags

CCSS.4.G.A.1

Front

What is a line segment?

Back

A line segment is a part of a line that is bounded by two distinct endpoints.

Tags

CCSS.HSG.CO.A.1

Front

What is a ray in geometry?

Back

A ray is a part of a line that starts at a point and extends infinitely in one direction.

Tags

CCSS.4.G.A.1

Front

What is an angle?

Back

An angle is formed by two rays that share a common endpoint, called the vertex.

Front

What is a right angle?

Back

A right angle is an angle that measures exactly 90 degrees.

Tags

CCSS.4.G.A.1

Front

What is the symbol for a right angle?

Back

The symbol for a right angle is a small square placed at the vertex of the angle.

Tags

CCSS.4.G.A.1

Front

What are perpendicular lines?

Back

Perpendicular lines are lines that intersect at a right angle (90 degrees).

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

What is the difference between acute and obtuse angles?

Back

An acute angle measures less than 90 degrees, while an obtuse angle measures more than 90 degrees but less than 180 degrees.

Tags

CCSS.4.G.A.1

Front

What is a straight angle?

Back

A straight angle is an angle that measures exactly 180 degrees.

Tags

CCSS.4.G.A.1