a triangle with 3 equal sides and equal angles.
a triangle with 2 equal sides.
a triangle with no equal sides.
a quadrilateral with 4 equal sides and also 4 right angles.
a quadrilateral with 4 sides and 4 right angles. The opposite sides are equal.
a quadrilateral with 2 pairs of parallel sides.
a quadrilateral with 4 equal sides.
a quadrilateral with 4 sides and only 1 pair of parallel sides.
the line segment where two faces of a solid figure meet.
the length or distance around a circle.
a line segment that passes through the center of a circle and has its endpoints on the circle.
a line segment with one endpoint at the center of the circle and the other endpoint on the circle.
the property of a figure that can be separated by a line into two congruent parts.
a flat surface of a geometric solid.
a solid figure that has two congruent, polygon-shaped bases and whose other faces are all rectangles.
a movement of a figure to a new position by FLIPPING it around a fixed point.
a movement of a figure to a new position by TURNING it around a fixed point.
a movement of a figure to a new position along a straight line; a SLIDE.
a figure can be rotated or turned less than 360 degrees about its center point so that the figure looks exactly like it did before the turn.
a pattern made using any number of repeated shape(s) fitted together to cover a surface without any gap or overlap.