Geometry Vocabulary for FSE

Front

What is an acute angle?

Back

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

Front

What is a right angle?

Back

An angle that measures exactly 90 degrees.

Front

What is a straight angle?

Back

An angle that measures exactly 180 degrees.

Front

What is a line segment?

Back

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

Front

What is a line?

Back

A line is a straight path that extends infinitely in both directions.

Front

What is a ray?

Back

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

Front

What is a point?

Back

A point is a precise location in space that has no size or dimension.

Front

Midpoint

Back

The point that divides a line segment into two equal parts.

Front

What is a plane?

Back

A plane is a flat, two-dimensional surface.

Front

Collinear points

Back

Points that lie on the same straight line.