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Geometry MATH
math that is geometry
| Question | Answer |
|---|---|
| Adjacent Angles | Angles that share a vertex and a side but have no interior points in common |
| Angle Bisector | A ray that divides an angle into angles of equal measure |
| Midpoint | The point that divides the segment into two segments of equal length |
| Perpendicular Bisector | Lines that intersect to form right angles |
| Plane | A flat surface that extendsn indefinely in all directions |
| Regular Polygon | A polygon with all the sides congruent and all the angles congruent |
| Segment | Two endpoints and all the points of the line between endpoints |
| Segment Bisector | A line, segment, or ray that goes through the midpoint of a segment |
| Acute Angle | an angle with a measure between 0 and 90 degrees |
| Acute triangle | Has 3 acute angles |
| Angle | formed by 2 rays with a common endpoint called a vertex |
| Arc | part of a circle |
| Central angle | an angle whose vertex is the center of a circle that equals a sum of 360 degrees. |
| Chord | a segment that has both endpoints on a circle |
| Circle | the set of points in a plane that are all the same distance from a given point called the center |
| Circle graph | a graph of data where the circle represents the whole |
| Compass | a geometric tool used to draw circles or arcs |
| Complementary angles | 2 angles that are complimentary if the sum of their measures is 90 degrees |
| Congruent angles | angles thhat have all the same length |
| congruent polygons | 2 polygons that are congruent if they have exactly the same shape and size |
| Congruent sides | have the same length |
| decagon | a polygon with 10 sides |
| Diameter | a segment that passes through the center of a circle and has both endpoints |
| Equilateral triangle | a triangle |
| hexagon | a ploygon with 6 sides |
| intersecting lines | 2 or more lines that cross each other |
| irregular polygon | a plygon with sides that are not all congruent and/or angles that are not all congruent |
| isosceles triangle | a triangle with at least two congruent sides |
| Line | a series of points that extends in 2 opposite directions without end |
| Midpoint | the point that divides the segment into two segments of equal length |
| obtuse angle | an angle with a measure greater that 90 degrees and less than 180 degrees |
| obtuse triangle | a triangle with an obtuse angle |
| octagon | a ploygon with 8 sides |