Angel vocabulary Flashcards
Parallel
lines that will never cross and are the same distance apart and may go on forever (will not cross if the go on & on)
Arc
part of a circle that represents an angle between two intersecting lines
angles
when lines intersect they form angles and angles are the spaces or shape that are formed between the intersecting lines-they meet at a name angles by names of points (= angle symbol
perpendicular
lines that form square corners when they intersect they form right angles
right angles
lines that form it are perpendicular and the angle measures 90 degrees
Intersections
when lines cross they cross at a point
acute angles
an angle that is less than a right angle less than 90 degrees
obtuse angles
angles greater than a right angle greater than 90 degrees
straight angle
a straight line two fays pointing in opposite directions
complementary (angles)
two angles combine to form a straight angle (90 degrees)
vertex
the point where two rays meet
congruent
having the same measure
degrees
a measurement used to measure angles (small amount) symbol is a small circle
protractor
a tool that measures angles
supplementary (angles)
two angles combine to form a straight angle (180 degrees)