Basic Geometry Terms

Front

What is the set of all points in a plane that are equidistant from a given point?

Back

Circle

Front

What is the name of a 3D object that has a circular base and tapers to a point?

Back

Cone

Front

Back

Front

What is a continuous straight extent of length, without breadth or thickness, called?

Back

Line

Front

What do you call an angle that forms a square corner?

Back

Right angle

Front

What is the term for a flat surface that extends infinitely in all directions?

Back

Plane

Front

What is a polygon with four sides called?

Back

Quadrilateral

Front

What is the term for the distance around a circle?

Back

Circumference

Front

What do you call a line segment that connects two points on a circle?

Back

Chord

Front

What is the name of an angle that measures less than 90 degrees?

Back

Acute angle