Questions

Some of the questions in this course may be answered by recording an audio file. If you chose to record the answer, click on the Add Recording button and follow the on-screen instructions closely. Once you have completed and attached the recording, enter the word “COMPLETE” in the text box. (Note: If your computer does not have a built-in microphone, a microphone or microphone/headset combination is needed to record audio.) Recording Audio Alert: The latest version of Java must be installed on your computer in order to record audio. If you are having difficulty, please go to: www.java.com and click on " Free Java Download." For Windows users, you will then click on "Agree & Start Free Download." For other operating systems, click on the "All Java Downloads" link to find your specific instructions. You may need to restart (close and re-open) your browser to enable the Java installation in your browser.

Angles

Write the term that matches the given description for the first five questions.

1) two rays sharing a common point

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2) the area within an angle

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3) the point in an angle where two rays meet

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4) two half lines that join together to make a line

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5) the area outside an angle

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Refer to the figure below for the next five questions.

6) Name three rays.

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7) Name three angles.

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8) Name a point that lies in the interior of angle TUZ.

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9) Name a point that lies in the exterior of angle TUZ.

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10) Name the opposite rays shown in the figure below.

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Measuring Angles

Write the term that matches the given description for the next three questions.

11) a unit of rotation around a point that may be used to measure angles

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12) a mathematical statement that is based on the fundamentals of mathematical belief and assumed to be true

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13) a measurement tool used to measure angles in degrees

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14) Use a protractor and draw an obtuse angle. Name it. State the name of the angle and its measure.

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Angle Constructions

Activity: Use a compass to construct an angle equal in measure to the obtuse angle you drew in the previous problem.

15) Give an example of why it might be better to use a compass to construct an angle equal in measure to another angle rather than using a protractor.

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Activity: Use a compass and bisect the angle you just constructed.

16) What is an angle bisector?

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Angle Relationships

Write the term that matches the given description for the next eight questions.

17) two angles that total 180 degrees

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18) a portion of a circle

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19) measures 90 degrees

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20) a pair of adjacent angles whose sum form a straight line

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21) angles that form a right angle

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22) a measurement tool used to draw arcs and circles

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23) opposite angles formed when two lines intersect

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24) an angle that measures 180 degrees

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25) What is the difference between a right angle and a straight angle?

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Refer to the figure below for the next two problems.

26) Using the Angle Addition Postulate, complete this statement: The measurement of angle TUP + the measurement of angle PUZ = the measurement of ________________.

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27) Fill in the blank: if angle PUZ measures 30 degrees and angle PUT measures 60 degrees, then the pair of angles would be called ____________ angles.

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28) Refer to the figure below to answer the following questions: (a) What is the value of “x”? (b) What is the measure of angle MKL?

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29) Two angles are a linear pair. One angle is 8 times as large as the other. What is the measure of each of the angles?

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Refer to the figure below to answer the next seven questions.

30) Name a pair of obtuse angles that have the same measure.

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31) Name a pair of complementary angles.

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32) Name a linear pair of angles in which neither measures 90 degrees.

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33) Name a pair of congruent segments (red hash marks represent congruency).

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34) Name two adjacent angles.

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35) Name two angles that together are supplementary.

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36) Name two non-adjacent angles that are complementary.

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