Chapter 9- Angles

Question 1

An exact location in space

Answer 1

Point

Question 2

Part of a line that continues without end in one direction and the other end has one endpoint.

Answer 2

Ray

Question 3

A straight path continuing without end in two directions

Answer 3

Line

Question 4

Part of a line with two endpoints

Answer 4

Line segment

Question 5

Point at which two line segments or rays meet to form an angle

Answer 5

Vertex

Question 6

A unit of angle measure

Answer 6

Degrees

Question 7

Instrument used for measuring angles

Answer 7

Protractor

Question 8

An angle with a measure of LESS than 90 degrees

Answer 8

Acute angle

Question 9

An angle with a measure of MORE than 90 degrees

Answer 9

Obtuse angle

Question 10

An angle with a measure of EXACTLY 90 degrees

Answer 10

Right angle

Question 11

An angle with a measure of EXACTLY 90 degrees

Answer 11

Straight angle

Question 12

1/2, 1/2, 3/4, or a full turn which correspond to angles of 90 degrees, 180 degrees, 270 degrees, and 360 degrees

Answer 12

Turn

Question 13

Inner set of readings on a protractor

Answer 13

Inner scale

Question 14

Outer set of readings on a protractor

Answer 14

Outer scale