| A | B |
|---|
| square | all sides congruent |
| trapezoid | one pair of parallel sides |
| rhombus | all sides congruent, opposite sides parallel |
| concave | a point on a polygon that goes in |
| concave | all vertices of a polygon point out |
| polygon | closed shape, straight lines |
| scalene triangle | 3 sided shape with lengths that are all different |
| obtuse triangle | at least one angle is obtuse |
| equalateral tiangle | all 3 sides are the same length |
| edge | A line segment where two faces of a 3 d shape meet. |
| isosceles triangle | A triangle with at least two sides of the same length. |
| parallelogram | a quadrilateral with two pairs of parallel sides |
| Regular polygon | a polygon in which all sides and all angles are congruent. |
| rectangle | A parallelogram with 4 right angles. |
| right triangle | A triangle with a right angle |
| face | a flat surface of a three-dimensiol figure. |
| acute triangle | a triangle with three acute angles. |
| acute angle | Less than 90 degrees |
| obtuse angle | Angle greater than 90 degrees |
| straight angle | 180 degrees |
| 1 kilometer | 1000 meters |
| 1mm | o.oo1 meters |
| deciliter | 0.1 Liters |
| expanded form powers of 10 | (3x10)+(5x11) +(2x0.01) |
| mass | The amount of matter in an object |
| mile | 5280 feet or 1,760 yards |
| perimeter | distance around a figure |
