| A | B |
|---|
| SQUARE | ALL EQUAL SIDES, FOUR 90 DEGREE ANGLES |
| RECTANGLE | FOUR 90 DEGREE ANGLES, OPPOSITE SIDES ARE EQUAL |
| PARALLELOGRAM | NO 90 DEGREE ANGLES, OPPOSITE SIDES ARE EQUAL AND PARALLEL |
| RHOMBUS | NO 90 DEGREE ANGLES, ALL SIDES EQUAL |
| KITE | NO 90 DEGREE ANGLES, CONGRUENT SIDES EQUAL |
| TRAPEZOID | ONE SET OF PARALLEL SIDES |
| EQUILATERAL TRIANGLE | A THREE-SIDED FIGURE WITH ALL SIDES EQUAL |
| SCALENE TRIANGLE | A THREE-SIDED FIGURE, NO SIDES ARE EQUAL |
| ISOSCELES TRIANGLE | A THREE -SIDED FIGURE WITH TWO EQUAL SIDES |
| OBTUSE TRIANGLE | A TRIANGLE WITH ONE ANGLE GREATER THAN 90 DEGREES |
| ACUTE TRIANGLE | A TRIANGLE WITH ALL ANGLES LESS THAN 90 DEGREES |
| RIGHT TRIANGLE | A TRIANGLE WITH ONE 90 DEGREE ANGLE |
| PENTAGON | A FIVE-SIDED CLOSED FIGURE |
| HEXAGON | A SIX-SIDED CLOSED FIGURE |
| HEPTAGON | A SEVEN-SIDED CLOSED FIGURE |
| OCTAGON | AN EIGHT-SIDED CLOSED FIGURE |
| NONAGON | A NINE-SIDED CLOSED FIGURE |
| DECAGON | A TEN-SIDED CLOSED FIGURE |
