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Unit 4 (math).
unit4
Question | Answer |
---|---|
Ray | A part of a line that has no endpoint at the and extends without end in one direction. |
angle | a figure formed by 2 rays or lines. |
Line | Straight line that goes across. |
Perpendicular | Lines , line segments, or rays are perpendicular. |
parallel | two equal sides. |
oblique | Lines that's not parallel and not perpendicular. |
intersect | to cut or divide by passing through or across. |
protracter | a tool used to measure a angle. |
Degree | a unit or measureing angles. |
right angle | a 90% angle. |
straight angle | A line that goes on forever. |
suppementary angles | angles having a sun of 100 degrees |
complementary angles | angles have a sun of 90 degrees |
opposite angle | when two lines intersect, the angle form a opposite angle. |
vertical angle | pairs of opposite angles formed by intersecting lines are called vertical angles. Vertical angles have the same measure. |
Polygon | A figure bounded by straight lines. |
congruent | same size and shape. |
isosceles triangle | A triangle with two equal sides |
Equilateral | Refering to a polygon all of the sides are equal. |
scalene triangle | All of the sides diffrent lengths. |
acute triangle | A triangle that has all of the angles are acute |
obtuse triangle | A triangle thats one of the angles thats obtuse angle. |
Right triangle | A triangle with one right angle in it's indicator . |
right trapezoid | A quadrilateral with 2 parallel sides |
circle | a plane figure that forms a closed path so that all the points the path are the same distance from a point called the center. |
reflex angle | an angle greather than 180% |