Angles and Angle Measurement

Vocabulary

100

A part of a line with two endpoints is called what?

a segment

200

A word that means an angle with a measurement of 90^O

right (or right angle)

300

A word that means lines that will never intersect.

Parallel

400

The point where two rays meet to forms an angle is called what?

the vertex

500

A word that means an angle larger that 90^o

obtuse

Degrees

100

How many degrees in a right angle?

90^o

200

How many degrees in a straight angle?

180^o

300

How many degrees in a circle?

360^o

400

A right angle is divided into 3 equal angles. How many degrees is each new angle?

30^O

500

Three 45^o angles are added together. Is the resulting angle acute or obtuse?

obtuse

Miscellaneous

100

What is a vertex?

The point where two rays meet to form an angle (paraphrasing ok)

200

How many acute angles can you find in the capital letter A?

3

300

How many right angles are formed when perpendicular lines intersect?

4

400

One twelfth (1/12) of 360 is what? 

30

500

What is the measurement (in degrees) of an angle created by two rays connecting at a point to form a straight line.

180^o

Mental Math

100

90 divided by 3 equals what? 

30

200

360 divided by 10 equals what?

36

300

180 divided by 45 equals what?

4

400

360 divided by 4 equals what?

90

500

270 divided by 3 equals what?

90