A | B |
triangle | a polygon with three sides |
quadrilateral | a polygon with four sides |
parallelogram | a quadrilateral in which both pairs of opposite sides are parallel |
rectangle | a parallelogram with four right angles |
square | a rectangle with four congruent sides |
rhombus | a parallelogram with four congruent sides |
trapezoid | a quadrilateral with exactly one pair of parallel sides |
kite | a quadrilateral with two distinct pairs of adjacent congruent sides |
line of symmetry | a line that divides a figure into congruent halves |
translation (slide) | a transformation in which an image is formed by moving every point on a figure the same distance in the same direction |
reflection (flip) | a transformation in which a figure is flipped over a line, called the line of reflection |
rotation (turn) | a transformation in which an image is formed by turning its preimage about a point |
congruent | two figures that have exactly the same size and shape |
similar | two figures that have exactly the same shape but not necessarily the same size |
cylinder | a solid bounded by two congruent |
cone | a solid bounded by a circular base and a curved surface with one vertex |
cube | a solid with six congruent square faces and every edge the same length |
square pyramid | a solid whose base is a square and whose other faces are triangles that share a common vertex |
rectangular prism | a solid in which all six faces are rectangles with three pairs of parallel, congruent, opposite faces |