4 equal sides. 90 degree angles.
quadrilateral. 90 degree angles.
distance around a figure
number of square units it takes to cover a figure
90 degree angle
3-sided polygon, each angle is less than 90 degrees
3-sided polygon, 1 angle greater than 90 degrees
3-sided polygon. One 90 degree angle.
3-sided polygon. 2 congruent sides.
3-sided polygon. 3 congruent sides. 3 60 degree angles.
3-sided polygon. No congruent sides
4-sided quadrilateral. 2 pairs of parallel lines
lines that will never intersect
4-sided quadrilateral. 1 pair of parallel lines
same size, same shape
4-sided polygon with all congruent sides
section of a line between two endpoints
vertex or vericies
the point where 2 lines meet
many-sided figure, closed, straight line segment
polygon with congruent sides and congruent angles
polygon without all congruent sides
angle measuring 180 degrees
angles whose sum equals 90 degrees
angles whose sum equals 180 degrees
a polygon with congruent sides and congruent angles
an angle less than 90 degrees
an angle more than 90 degrees
lines that cross
lines that intersect and form 90 degree angles where they cross
two rays that start from the same endpoint
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