ANGLE VOCABULARY

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 the 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 <= angle symbol

Question 4

perpendicular

Answer 4

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

Question 5

right angles

Answer 5

lines that form it are perpendicular and the angle measures 90*

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 than 90*

Question 8

Obtuse angles

Answer 8

Angles greater than a right angle; greater than 90*

Question 9

straight line

Answer 9

two rays pointing in opposite directions

Question 10

complementary angles

Answer 10

2 angles that form a right angle( are called complementary angles 90*

Question 11

supplementary angles

Answer 11

2 angles form to become a straight angle

|180*

Question 12

vertex

Answer 12

the point where two rays meet

Question 12

vertex

Answer 12

the point where two rays meet

Question 13

congruent

Answer 13

having the same measure

Question 14

degrees

Answer 14

a measurement used to measure angles (small angles)

Question 15

protractor

Answer 15

measures angles