Geometry Flashcard

Front

Lines that do not intersect

Back

parallel lines

Front

A polygon with all sides and all angles equal/congruent

Back

regular polygon

Front

A polygon with all sides and all angles equal/congruent

Back

square

Front

A closed plane figure formed by three or more line segments

Back

polygon

Front

A quadrilateral with exactly one pair of parallel sides

Back

trapezoid

Front

A four-sided polygon

Back

quadrilateral

Front

The sum of the interior angles of a triangle

Back

180 degrees

Front

A triangle with one angle greater than 90 degrees

Back

obtuse triangle

Front

A triangle with all sides of different lengths

Back

scalene triangle

Front

A polygon with five sides

Back

pentagon