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Geometry Vocabulary
Math- Chapter 10
| Question | Answer |
|---|---|
| angle | formed by 2 lines with a common endpoint |
| vertex | the point were two sides or line meet |
| exterior | on the outside of an angle |
| interior | on the inside of an angle |
| protractor | a tool used to measure angles |
| degrees | the symbol used to write the measurement of an angle |
| acute angle | an angle measuring less than 90 degrees |
| right angle | an angle measuring exactly 90 degrees |
| obtuse angle | an angle measuring more than 90 degrees, but less than 180 degrees |
| polygon | closed plane figures made up of line segments called sides |
| congruent polygons | exactly the same size and shape |
| corresponding parts | matching sides or angles |
| similar polygons | have the same shape |
| scalene triangle | triangle with no sides congruent |
| isosceles triangle | triangle with 2 sides congruent |
| equilateral triangle | all sides of the triangle are congruent |
| acute triangle | triangle with 3 acute angles |
| right triangle | triangle with 1 right angle and 2 acute angles |
| obtuse triangle | a triangle with 1 obtuse angle and 2 acute angles |
| quadrilateral | a 4 sided polygon |
| straight angle | an angle measuring exactly 180 degrees |