Chapter 8 Math 7

What is a flat surface that extends infinitely?

• point

• line

• plane

• ray

What has no size, only location?

• point

• line

• plane

• ray

Identify 3 rays. Select all that apply.

• ray OS

• ray RO

• ray OQ

• ray OR

• ray PO

Identify 3 planes. Select all that apply.

• plane OSQ

• plane POQ

• plane ROQ

• plane QPS

• plane ROS

Is ∠POS acute, obtuse or straight?

• obtuse

• acute

• straight

What type of polygon does the image display?

• regular heptagon

• irregular heptagon

• regular septagon

• regular hexagon

What is the angle measure displayed on the protractor?

• 35°

• 145°

• 45°

• 155°

Name the pairs of vertical angles. Select all that apply.

• ∠5 & ∠7

• ∠1 & ∠3

• ∠2 & ∠4

• ∠1 & ∠4

• ∠7 & ∠8

Name the pairs of adjacent angles. Select all that apply.

• ∠5 & ∠7

• ∠1 & ∠3

• ∠2 & ∠3

• ∠1 & ∠4

• ∠7 & ∠8

Find the measure of ∠8.

• 65°

• 115°

• 180°

• 125°

• Not enough information