Question | Answer |
Ray | A part of a line the has one endpoint and extends without end in the other direction |
Angle | A figure formed by two rays or two endpoints with a common endpoint |
Line | A straight path that goes on forever in opposite directions |
Perpendicular | Lines,line segments,or rays are perpendicular if they form a right angle |
Parallel | The same distance apart at every point |
Obligue | Lines that are not parallel or perpendicular |
Intresect | To cut or divide by passing through or across |
Protractor | A tool used to measure angles |
Degree | A unit for measuring angles and temperatures |
Right Angle | A angle that measures 90 degrees |
Straight Angle | A angle of 180 degrees |
Opposite angle | when two lines intersect |
Verticle angle | Pairs of opposite angles formed by intersecting lines |
supplementary angles | angles having a sum of 180 degrees |
complementary angles | Angles having a sum of 90 degrees |
Polygon | 2d shape with straight sidess |
Congruent | same size and same shape |
Isosceles trisngle | A triangle with at least two congruent sides |
Equilateral triangle | A triangle with all equal sides |
Scalene triangle | A triangle with no equal sides |
Acute triangle | A triangle with acute angle |
Obtuse triangle | A triangle with one obtuse angle |
Right triangle | A triangle with one right angle |
Right trapezoid | A trapezoid with at least one right angle |
Circle | A plane figure that forms a closed path so that all the points on the path are the same distance from a point called the center |
Reflex Angle | A angle greater then 180 degrees |