geometry

Front

What are parallel lines?

Back

Lines that never meet and are always the same distance apart.

Front

What is a trapezoid?

Back

A four-sided figure (quadrilateral) with at least one pair of parallel sides.

Front

How many sides does a triangle have?

Back

3 sides.

Front

What is a right triangle?

Back

A triangle that has one angle measuring 90 degrees.

Front

What is an octagon?

Back

A polygon with 8 sides.

Front

What are perpendicular lines?

Back

Lines that intersect at a right angle (90 degrees).

Front

What is an intersecting line?

Back

Lines that cross each other at any angle.

Front

What is a polygon?

Back

A closed figure with three or more straight sides.

Front

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

Back

180 degrees.

Front

What is a quadrilateral?

Back

A polygon with 4 sides.