How Many Sides?
Lines that never cross
What is parallel lines
four sided figure with two pairs of parallel lines
What is a parallelogram
a shape that is closed, has at least 3 straight sides, and meets at vertices
What is a polygon
Name all the quadrilaterals that have 2 sets of parallel sides
What is a parallelogram, rectangle, rhombus, and square
a small angle less than 90 degrees
What is an acute angle
Name all the quadrilaterals that have 4 equal (congruent) sides
What is a rhombus and a square
a 90 degree angle
What is a right angle
a quadrilateral with all sides equal (congruent)
What is a rhombus
Define what a regular polygon is
What is a polygon with all equal (congruent) sides and angles
heptagon
What is 7
the place where two sides of a polygon meet
What is a vertex (vertices)
a quadrilateral with all sides equal (congruent) and 4 right angles
What is a square
What polygon is a parallelogram, but not a rectangle
What is a rhombus