MATH FOR 4

Front

What is a line?

Back

A line is a straight path that extends infinitely in both directions, represented by arrows on both ends.

Front

What is a ray?

Back

A ray is a part of a line that starts at a point (called the endpoint) and extends infinitely in one direction, represented by an arrow.

Front

What is a line segment?

Back

A line segment is a part of a line that has two endpoints, represented by dots.

Front

What is a point in geometry?

Back

A point is a precise location in space that has no size or dimension, often represented by a dot.

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.

Front

What is an acute angle?

Back

An acute angle is an angle that measures less than 90 degrees.

Front

What is an obtuse angle?

Back

An obtuse angle is an angle that measures more than 90 degrees but less than 180 degrees.

Front

What is a polygon?

Back

A polygon is a closed figure formed by three or more line segments.

Front

What is a triangle?

Back

A triangle is a polygon with three sides and three angles.