Question | Answer |
ray | a part of a line that has one end piont |
angle | a figure formed by to rays or line segments with a common end point. |
line | a straight path that goes on forever in both directions. |
perpendicular | lines,line segments,or rays that from a right angle |
parallel | two lines that will never intersect |
oblique | lines that are not perpendicular or parallel |
intersect | to cut or divide by passing trough or across |
protrator | a tool to measure angles |
degree | a unit for measuring angles |
right angle | a 90 degree angle |
straight angle | a 180 degree angle |
supplementary angles | angles that the sum is 180 degrees |
complementary angles | angles that the sum is 90 degrees |
supplementary degrees | degrees that have a sum of 180 degrees |
complementary degrees | degrees that add up to 90 degrees |
polygon | a closed lined figure with straight sides |
congruent | exactly the same size a shape |
isosceles triangle | a triangle with at least 2 congruent sides |
equilateral triangle | a triangle with equal sides |
scalene triangle | a triangle with no equal sides |
acute angle | a angle less then 90 degrees |
obtuse angle | a angle bigger 90 dergees |
right angle | a 90 degree angle |
right trapeziod | a trapezoid with at least 1 right angle |
circle | a plain figure that forms a closed path. |
reflex angle | a angel great than 180 degrees |