Geometry Vocabulary
GEOMETRY WORD WATCH
The following vocabulary words are used in the Geometry quarter class. All definitions can be found in Chapter 7 of the Holt McDougal Math book or in our class notes.
| acute angle | quadrilateral | rotation |
| acute triangle | midpoint | rotational symmetry |
| adjacent angles | obtuse angle | scalene triangle |
| angle | obtuse triangle | square |
| center of rotation | parallel lines | straight angle |
| complementary angles | parallelogram | supplementary angles |
| congruent angles | perpendicular lines | transformation |
| congruent figures | polygon or regular polygon | translation |
| correspondence | rectangle | transversal |
| equilateral triangle | reflection | trapezoid |
| image | rhombus | Triangle Inequality Theorem |
| isosceles triangle | right angle | Triangle Sum Theorem |
| line of symmetry | right triangle | vertical angles |
| scale factor | alternate interior angles | alternate exterior angles |
| pentagon | hexagon | heptagon |
| octagon | nonagon | decagon |
| similar figures | x-axis | y-axis |
| origin | x-coordinate | y-coordinate |
| quadrant | Pythagorean Theorem | hypotenuse |
| leg | dilation | Distance Formula |
| midpoint | Midpoint Formula | line symmetry |