Angle Vocabulary

Question 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.

Answer 1

parallel

Question 2

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

Answer 2

arc

Question 3

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

Answer 3

angles

Question 4

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

Answer 4

perpendicular

Question 5

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

Answer 5

right angles

Question 6

when lines cross they cross at a point called an intersection.

Answer 6

intersection

Question 7

angles that are less than a right angle; less than 90%.

Answer 7

acute angles

Question 8

Angles greater than a right angle; greater than 90%.

Answer 8

obtuse angles

Question 9

straight line- two rays pointing in opposite directions.

Answer 9

Straight angle

Question 10

two angles that form a right angle are called complementary angles(90%

Answer 10

complementary angles

Question 11

two angles combine to form a straight angle

Answer 11

supplementary angles

Question 12

the point where two rays meet.

Answer 12

vertex

Question 13

having the same measure

Answer 13

congruent

Question 14

a measurement used to measure angles (small amount)

Answer 14

degrees

Question 15

a tool that measures angles

Answer 15

protractor

Question 16

a plane figure that has three straight sides and three angles

Answer 16

triangle

Question 17

a triangle that has one obtuse angle greater than 90 degrees

Answer 17

obtuse triangle

Question 18

a triangle that has all angles that are acute (less than 90 degrees)

Answer 18

acute triangle

Question 19

a triangle that has one right angle

Answer 19

right triangle

Question 20

a collection of points that extends in both directions that goes on without end

Answer 20

line

Question 21

a part of a line with two endpoints

Answer 21

line segment

Question 22

a starting point and extends in one direction without an end

Answer 22

ray