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Math
| Question | Answer |
|---|---|
| Set | collection of elements |
| point | location in space that shows no length thickness or width just position |
| line | infinite number of points with no end that shows direction |
| plane | infinite number of points that make a flat surface that shows length and width but no thickness |
| collinear points | set of all points that lie on the same line |
| Noncollinear points | three or more points that are not on the same line |
| Line segment | piece of a line that has two endpoints and all other points between them |
| Congruent segments | segments with equal measure |
| Midpoint of a line segment | point on segment that divides it into two congruent segments |
| bisector of a line segment | a line or line segment that divides it into two congruent segments |
| Ray | line with one endpoint |
| Angle | formed by two rays that share the same endpoint |
| Straight angle | opposite rays that make 180 degrees |
| Acute angle | angle smaller than 90 degrees |
| Right angle | angle that measure exactly 90 degrees |
| Obtuse angle | angle larger than 90 degrees but less than 180 degrees |
| Congruent angles | angles with equal measure |
| Angle bisector | line that divides an angle into two congruent angles |
| Perpendicular line | two lines that cross and make right angles |
| Perpendicular bisector | divides a segment into two congruent segments and makes right angles |
| Polygon | closed figure of three or more sides |
| triangle=180 | polygon with three sides |
| Scalene triangle | triangles that has no congruent sides or angles |
| Isosceles triangle | triangle with two congruent sides and two congruent angles |
| Equilateral triangle | triangle with three congruent sides and three congruent angles |
| Acute triangle | triangle with three acute angle |
| obtuse triangle | triangle with one obtuse angle |
| Right triangle | triangle with one right angle |
| Median | segment that connects midpoint of triangle base to vertex angle of triangle |
| Altitude | segment that connects vertex of triangle to base of triangle and makes a right angle at the base |
| Adjacent angle | next to |
| complementary angle | =90 |
| supplementary angle | =180 |
| angle bisector | cut in half |
| acute angle | less 90 |
| right angle | equal 90 |
| obtuse angle | 90 more |
| straight angle | 180 |
Created by:
Anthony cortese