Angle Vocab

Question 1

parallel

Answer 1

lines that will never cross and are the same distance apart and may go on forever (will not cross if they go on and on)

Question 2

arc

Answer 2

part of a circle that represents an angle between two intersecting lines

Question 3

angles

Answer 3

when lines intersect they form angles and angles are the spaces or shapes that are formed between the intersecting lines - they meet at a vertex
Name angles by names of points

Question 4

lines that form square corners when they intersect they form right angles
+

Answer 4

perpendicular

Question 5

right angles

Answer 5

lines that form it are perpendicular and the angle measures

Question 6

intersection

Answer 6

when lines cross they cross at a point called an intersection

Question 7

acute angles

Answer 7

angles that are less than a right angle; less that 90*

Question 8

straight angle

Answer 8

straight line - two rays pointing in opposite directions

Question 9

complementary angles

Answer 9

two angles that form a right angle (90*)

Question 10

supplementary angles

Answer 10

two angles combine to form a straight angle

Question 11

vertex

Answer 11

the point where two rays meet

Question 12

degrees

Answer 12

a measurement used to measure angles (small amount) symbol =*

Question 13

protractor

Answer 13

a tool that measures angles

Question 14

having the same measure

Answer 14

congruent

Question 15

obtuse angles

Answer 15

angles greater than a right angle, greater than 90* degrees