4 equal sides. 90 degree angles.
quadrilateral. 90 degree angles.
distance around a figure
number of square units it takes to cover a figure
bottom of a figure
the line that makes a 90 degree angle with the base
90 degree angle
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
the 2 sides that make the right angle in a right triangle
side opposite the right angle in a right triangle
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 equal-sided polygon
line between two points
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
infinite set of points equidistant from a centerpoint
half the diameter
distance across a circle through the center point
ratio of circumference of a circle to its diameter, irrational; = 3.14
distance around a circle
half of a circle
angles whose sum equals 90 degrees
angles whose sum equals 180 degrees
angles inside of a polygon
angle made when you extend one of the sides of the polygon outside from the polygon