Geometry Vocabulary

Front

What is a triangle with at least one angle of 90 degrees?

Back

Right Triangle

Front

What is an EIGHT sided polygon called?

Back

Octagon

Front

What do you call a quadrilateral with at least one pair of parallel sides?

Back

Trapezoid

Front

What is a FOUR sided polygon?

Back

Quadrilateral

Front

What is a triangle with three acute angles?

Back

Acute Triangle

Front

What is a polygon with three sides?

Back

Triangle

Front

What do you call a polygon with five sides?

Back

Pentagon

Front

What is a quadrilateral with all sides equal and all angles 90 degrees?

Back

Square

Front

What is a triangle with one angle greater than 90 degrees?

Back

Obtuse Triangle

Front

What do you call a closed figure with no sides?

Back

Circle