| A | B |
|---|
| point | a place in space |
| line | a set of points along a straight path |
| line segment | a line with two endpoints |
| ray | a line with an endpoint |
| angle | two rays with a common endpoint |
| vertex | the common endpoint of an angle |
| parallel lines | two lines that are equal distance from each other and never meet |
| perpendicular lines | lines that intersect and form four right angles |
| polygon | closed figures that are made with line segments that never cross |
| triangle | a polygon with three sides |
| quadrilateral | a polygon with four sides |
| hexagon | a polygon with six sides |
| pentagon | a polygon with five sides |
| octagon | a polygon with eight sides |
| heptagon | a polygon with seven sides |
| square | a quadrilateral with four right angles and four equal sides |
| right angle | an angle that measures 90 degrees |
| a number is divisible by two if it ends in..... | 0,2,4,6, or 8 |
| a number is divisible by three if.... | the sum of the digits is divisible by three |
| a number is divisible by five if it ends in.... | 0 or five |
