Basic Geometry Facts

How many sides does a pentagon have?

• 4

• 6

• 5

• 7

What is a polygon?

• an open shape with at least 3 line segments

• a closed shape with at least 3 line segments

• A closed shape with at least 3 line segments

• an open figure with at least 2 line segments

How many sides are in a hexagon?

• 4

• 5

• 6

• 7

A straight path with no beginning or end is a...

• ray

• line

• plane

• angle

What angle is exactly 90 degrees?

• acute

• right

• obtuse

• straight line

What angle is less than 90 degrees?

• right

• straight line

• obtuse 

• acute

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

• acute

• right

• obtuse

• straight line

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

• True

• False

For intersecting lines to be considered perpendicular they must intersect each other at 90 degrees.

• True

• False

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

• corner

• vertex or vertices

• point