Angle Vocab Flashcards
lines that will never cross and are the same distance apart and may go on forever
parallel
part of a circle that represents an angle between two intersecting lines
arc
when lines intersect they form ??? they are the spaces or shapes that are formed between the intersecting lines
angles
lines that form square corners when they intersect they form right angles
perpendicular
lines that form it are perpendicular and the angle measures 90 degrees
right angles
when lines cross they cross at a point called an ???
intersection
angles that are less than a right angle less than 90 degrees
acute angles
angles that are greater than a right angle greater than 90 degrees
obtuse angles
straight line two ways pointing in opposite directions
straight angle
two angles that form a right angle are called complementary
complementary`
two angles combine to form a straight angle
supplementary angles
the point where two rays meet
vertex
having the same measure
congruent
a measurement use to measure angles
degrees
measures angles
protractor