Basic Geometry

Front

How many sides does a pentagon have?

Back

5

Front

How many sides does an octagon have?

Back

8

Front

Polygon

Back

A closed shape with at least 3 line segments

Front

What angle is less than 90 degrees?

Back

acute

Front

Which angle is greater than 90 but less than 180 degrees?

Back

obtuse

Front

Parallel lines are lines that are side by side and they will never intersect.

Back

True

Front

I am sometimes known as an angle or a corner. I am where lines meet at a point.

Back

vertex or vertices

Front

A location in space that is represented by a dot and has no dimensions

Back

Point

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

The set of all points in a plane that are equidistance from a given point.

Back

Circle