MATH Integrated Math I  - Unit 17: Points, Lines, Angles, and Circles
Some of the questions in this unit 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.)

Points, Lines, and Planes

1) Which statement is NOT true about the given figure?

2) In which figure are skew lines displayed and named?

3) Which statement is NOT true about the given figure?

Constructions: Line Segment and Perpendicular Bisector

4) Explain,  without the use of a ruler, how the compass is used to construct segment PQ so that it is the same length as segment XY.

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5) The given figure shows one of the steps in constructing what kind of figure?

Angles

6) What is the difference between the interior and the exterior area of an angle?

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7) True or False.  The vertex of an angle is the point where two rays meet. The letter that represents the vertex will always be the middle letter in the name of an angle.

8) Define an angle.

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9) Which angle is closest in size to an angle that measures 135 degrees? State the letter of the correct answer.

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10) Which angle is closest in size to an angle that measures 29 degrees? State the letter of the correct answer.

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11) Which statement is NOT true about the given figure?

For the next three questions, state true or false. If the answer is false, state a word to replace the word in parenthesis that will make the statement true.

12) True or False. Angles are measured in degrees and one degree is (1/180) of a rotation around a point.

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13) True or False. A (compass) is a tool used to measure the number of degrees in angles.

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14) True or False. An (acute angle) is an angle that measures less than 90 degrees. An (obtuse) angle is an angle that measures more than 90 degrees but less than 180 degrees.

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Constructions: Angle Bisector

15) In the given illustration of the construction of a bisected angle, what does ray BE represent?

Angle Relationships

16) What is the difference between a right angle and a straight angle?  Mention the measures of the angles when explaining the differences.

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17) What is the name given to angles that, when added together,  form a right angle?

18) What is the name given to angles that, when added together, form a straight angle? 

19) What is the name given to the pairs of congruent angles that are formed when two lines intersect?

Refer to the given figure to answer the next two questions. Click to view the figure in a pop-up window.

20) If the measurement of angle GEH is 49 degrees and the measurement of angle DEH is 105 degrees, what is the measure of angle DEG?

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21) If the measurement of angle GEF is 124 degrees, what is the measure of angle GED?

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22) The given figure shows two lines intersecting to form vertical angles.  Angles LMN and PMQ are vertical angles; thus, they are congruent.  The measure of angle LMN is represented by the expression “5x + 80”.  The measurement of angle PMQ is represented by the expression “3x + 10”.  Solve for “x” and state the measure of angles LMN and PMQ.

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23) In the previous problem, what would be the measures of vertical angles LMP and NMQ?

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24) If a pair of angles are complementary and one of the angles is twice as large as the other angle, what is the measure of each angle? 

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25) Draw angle KMN so that it is divided by an angle bisector MP. If angle KMN measures 90 degrees, what are the measures of angles KMP and PMN?

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26) Screech is trying to make a bank shot to win a game of pool. He needs to hit the 8- ball (white ball) into the corner pocket (the hole located at the lower right corner of the table). If Screech knows the angle measurements shown in the figure below, what is the value of angle “x”, the angle that the ball must take to drop into the corner pocket?

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Lines Cut by a Transversal

27) Which statement is NOT true about the given figure?

Parallel Lines Cut by a Transversal

Refer to the given figure to answer the next three questions about parallel lines (“n" and "m”) cut by a transversal (“t”).

28) Angles 3 and 5 are what kind of angles?

29) Angle 1 is congruent to what other three angles?

30) True or False: All of the following pairs of angles are supplementary:  1&2, 2&4, 3&4, 1&3, 3&5, 4&6, 5&6, 6&8, 7&8, 5&7, 1&7, and 2&8.

Constructing a Circle Graph

Abby recently conducted a survey to determine the most popular pet. She organized her results in the table below. Use the data to construct a circle graph, and then answer the last three questions. Click to view the chart in a pop-up window.

31) What fractional part of the data is represented by (a) the dog, (b) the cat, (c) the bird, (d) the fish, and (e) the hamster?  (Note:  To check, the fractions should total 40/40 or 1 whole.)

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32) Now compute the angles for each section of the circle graph. What is the number of degrees for the parts of the circle that represent each pet? State the pet and its corresponding angle. (Note:  To check, the angles should total 360 degrees or close to it depending on the rounding.)  

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33) Which two pets, when combining their results, represent more than 50% of the choices for favorite pets?

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