Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

Normal Size Small Size show me how

Normal Size Small Size show me how

# geometry vocabulary

### math

Question | Answer |
---|---|

acute angle | angle with a measure between 0 and 90 degrees |

acute triangle | has 3 acute angles |

adjacent angles | shares a vertex and a side but have no interior points in common |

angle | formed by 2 rays with a common endpoint(vertex) |

angle bisector | ray that divides an angle into angles of ewual measures |

arc | part of a circle |

central angle | an angle whose vertex is the center of a circle sum=360 |

chord | segment that has both endpoints on the circle |

circle | set of points in a plane that are all the same distance |

circle graph | graph of data where the circle represents the whole |

compass | geometric tool used to ddraw circles or acrs |

complementary | some adds up to 90 degrees |

congruent angles | have the same measure |

congruent polygons | 2 polygons are congruent if they have exactly the same shape and size |

congruent sides | has the same length |

decagon | 10-sided polygon |

diameter | segment that passes throught the center of a circle and has both endpoints on the circle |

perpendicular bisector | segment bisector that is perpendicular to the segment |

regular polygon | polygon with all the sides and angles are congruent |

segments | has 2 endpoints and all the points of the line between the endpoints |

segment bisector | a line, segment, ir ray that goes throught the midpoint of a segment |

skew lines | lie in different planes neither parallel nor intersecting |

straight angle | angle of 180 degrees |

isoscles triangle | triangle with atleast 2 congruent sides |

scalene triangle | triangle with no congruent sides |

equilateral triangle | 3 congruent sides |

hexagon | 6-sided polygon |

intersecting lines | 2 or more lines that cross eachother |

irregular oolygon | measure greater than 90 but less than 180 degrees |

line | series of points that extends in 2 opposite directios without an endpoint |

midpoint | the point that divides the segment into 1 segments of equal length |

obtuse angle | angle measure greater than 90 but less than 180 |

obtuse triangle | polygon, sides and or angles that aren't all congruent |

octagon | 8-sided polygon |

parallel lines | lines in the same plane that never intersect |

parallelogram | quadrilateral with both pairs of opposite sides parallel |

pentagon | 5-sided |

perpendicular lines | intersect to form right angle |

plane | is a flat surface that extends indefinitely in all directions |

point | location that has no size |

polygon | closed figures formed by 3 or more lines, lines don't cross |

quadrilateral | 4-sided |

radius | segement that connects the center to the circle |

ray | one endpoint and all the points of the line on one side of the point |

rectangle | parallelogram with 4 right angles |

rhombus | parallelogram with 4 congruent sides |

right triangle | one right angle of a triangle |

square | parallelogram with 4 right angles and sides |

trapezoid | exactly 1 pair of parallel sides |

Created by:
monto216