Angle Vocabulary

Question 1

Parallel

Answer 1

Lines that will never cross and are the same distance apart and may go on forever (lines 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 a vertex. Name angles by names of points

Question 4

Perpendicular

Answer 4

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

Question 5

Right Angles

Answer 5

lines that form it are perpendicular and the angles measure 90 degrees

Question 6

Intersection

Answer 6

when lines cross they cross at a point called the intersections

Question 7

Acute angles

Answer 7

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

Question 8

Obtuse angles

Answer 8

angles greater than a right angle; greater than 90 degrees

Question 9

Straight angle

Answer 9

a straight line- two rays pointing in the opposite directions and it equals 180 degrees

Question 10

Complementary angle

Answer 10

two angles that form a right angle are called complementary angles = 90 degrees

Question 11

Supplementary angles

Answer 11

two angles combine to form a straight angle = 180 degrees

Question 12

Vertex

Answer 12

the point where two rays meet

Question 13

Congruent

Answer 13

having the same measurement

Question 14

Degrees

Answer 14

a measurement used to measure angles

Question 15

Protractor

Answer 15

a tool that measures angles