Geometry Vocabulary

Front

What is a straight path that continues in opposite directions without ending?

Back

Line

Front

What do you call an angle that measures more than 90°?

Back

Obtuse angle

Front

Which angle looks like a piece of pizza?

Back

Acute angle

Front

What is a polygon with six sides called?

Back

Hexagon

Front

What is a polygon with five sides called?

Back

Pentagon

Front

What do you call a flat shape with three straight sides?

Back

Triangle

Front

What is the term for a polygon with four sides?

Back

Quadrilateral

Front

What do you call an angle that measures exactly 90°?

Back

Right angle

Front

What is a polygon with eight sides called?

Back

Octagon

Front

What do you call a straight line that starts at a point and goes in one direction?

Back

Ray