| A | B |
| a math tool to measure and draw angles using degrees | protractor |
| a math tool used to make circles | compass |
| ruler or item to draw straight lines | straightedge |
| free hand drawing | sketch |
| using tools to create a figure | drawing |
| making a figure with only a compass and straightedge | construct |
| 3 sided straight edged figure | triangle |
| triangle with at least 2 congruent sides (equilateral IS isosceles) | isosceles triangle |
| no sides congruent | scalene triangle |
| all angles congruent (each angle = 60 degrees) | equiangular trianlge |
| all angles are acute | acute triangle |
| one right angle | right angle |
| one obtuse angle | obtuse triangle |
| polygon with 4 straight sides | quadilateral |
| do not share an endpoint | opposite sides |
| do share an endpoint | consecutive sides |
| sides and four 90 degree angles | square |
| all sides = (can be a square, but can also have different angles) | rhombus |
| 4 straight sides, 4 90 degree angles, 2 sets of parallel sides (a square IS a rectangle, but there are other rectangles that are not squares) | rectangle |
| quadrilateral with both sets of opposite sides parallel | parallelogram |
| quadrilateral with 2 pair of consecutive, congruent sides; opposite sides are not congruent | kite |