a parallelogram with four congruent sides and four right angles
A quadrilateral in which the opposite sides are parallel and congruent; all angles are 90 degrees
distance around 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. 2 congruent angles.
3-sided polygon. 3 congruent sides. 3 congruent angles.
3-sided polygon. No congruent sides or angles
A quadrilateral with two pairs of parallel sides.
a quadrilateral with exactly one pair of parallel sides
same size, same shape
a parallelogram with all sides congruent.
part of a line with two endpoints
A closed plane figure made up of line segments
polygon with congruent sides and congruent angles
angle measuring 180 degrees
distance from the center to the edge of the circle (half of the diameter)
distance across a circle through the center point
angles whose sum equals 90 degrees
angles whose sum equals 180 degrees
a ten-sided polygon
a twelve-sided polygon
an exact location in space
(mathematics) a straight line extending from a point
a straight path that extends without end in opposite directions