Geometry Vocabulary

Front

What is a quadrilateral with exactly one pair of parallel sides called?

Back

Trapezoid

Front

What do you call a triangle that has all acute angles?

Back

Acute Triangle

Front

What is the name of a six-sided polygon?

Back

Hexagon

Front

What is a line that divides an object into two equal halves called?

Back

Symmetry

Front

What do you call an eight-sided polygon?

Back

Octagon

Front

What is the sum of the interior angles of a triangle?

Back

180 degrees

Front

What is the sum of the interior angles of a quadrilateral?

Back

360 degrees

Front

What is a polygon with all sides and angles equal called?

Back

Regular Polygon

Front

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

Back

Obtuse Triangle

Front

What is the term for a polygon with nine sides?

Back

Nonagon