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 at vertex. Names 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 intersection.

Question 7

Acute angles

Answer 7

angles that are less than 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 angles

Answer 9

a straight line- two rays pointing in the opposite directions and degrees.

Question 10

complementary

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.