Topic 15 Study Guide

1) What is the measure of the angle? Type the angle measure. [4.25]*

What is the measure of this angle? Type the angle measure. [4.25]*

Two rays with a common endpoint form a(n) ________. [4.27]*

• line
• ray
• angle
• line segment
• point

Select all the true statements. [4.27]*

• A straight angle is open less than an obtuse angle.
• An acute angle is open more than a right angle.
• A right angle makes a square corner.
• An obtuse angle is larger than an acute angle.

Look at the diagram. What is the measure of angle AEB? Hint: Angle AEC is a straight angle. [4.26a]

• 90 degrees
• 110 degrees
• 60 degrees
• 100 degrees

How many degrees are in a circle?

• 360 degrees
• 180 degrees
• 90 degrees
• more than 90 degrees
• less than 90 degrees

How many degrees are in a right angle?

• 360 degrees
• 180 degrees
• 90 degrees
• more than 90 degrees
• less than 90 degrees

How many degrees are in a acute angle?

• 360 degrees
• 180 degrees
• 90 degrees
• more than 90 degrees
• less than 90 degrees

How many degrees are in an obtuse angle?

• 360 degrees
• 180 degrees
• 90 degrees
• more than 90 degrees
• less than 90 degrees

How many degrees are in a straight angle?

• 360 degrees
• 180 degrees
• 90 degrees
• more than 90 degrees
• less than 90 degrees