Basic Geometry terms

Front

What are these figures called?

Back

Angles

Front

A flat surface made up of points that has two dimensions and extends without end and is represented by a shape that looks like a floor or wall.

Back

Plane

Front

What is another way to name ̅P̅ ̅Q̅?

Back

̅Q̅ ̅P̅

Front

What are the arrows pointing to?

Back

Endpoints

Front

Which one is NOT a way to name this angle?

Back

∠ABC

Front

What is a point in geometry?

Back

A location in space with no dimensions, represented by a dot.

Front

Define a line in geometry.

Back

A straight one-dimensional figure that has no thickness and extends infinitely in both directions.

Front

What is a ray?

Back

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

Front

What is a vertex?

Back

The point where two lines or rays meet to form an angle.

Front

What is the difference between acute, obtuse, and right angles?

Back

Acute angles are less than 90°, right angles are exactly 90°, and obtuse angles are greater than 90° but less than 180°.