An angle is formed by two rays that have the same endpoint called the ____.
a. apex
b. center
c. median
d. vertex
Reference: Measuring and Drawing Angles, “Angles,” Paragraph 1, Sentence 2
Building a Foundation in Mathematics Textbook, Chap. 15, Pg. 352
d. vertex
Angles are measured in ____.
a. arcs
b. degrees
c. radials
d. sectors
Reference: Measuring and Drawing Angles, “Angles,” Paragraph 1, Sentence 3
Building a Foundation in Mathematics Textbook, Chap. 15, Pg. 356, “Measuring and Drawing Angles,” Paragraph 1
b. degrees
To measure an angle with a protractor, place the vertex of the angle at the center mark on the protractor.
True or False?
Building a Foundation in Mathematics Textbook, Chap. 15, Pg. 356, “Measuring and Drawing Angles,” Paragraph 2, Sentence 2
True
An angle that measures 180° is called a ____ angle.
a. flat
b. linear
c. square
d. straight
Building a Foundation in Mathematics Textbook, Chap. 15, Pg. 362, “Classifying Angles”
d. straight
An angle that measures 90° is called a ____ angle.
a. perpendicular
b. quadrant
c. right
d. square
Building a Foundation in Mathematics Textbook, Chap. 15, Pg. 362, “Classifying Angles”
c. right
What is the correct name for the angle below?
a. ∠NML
b. ∠LNM
c. ∠MLN
d. ∠NLM
Building a Foundation in Mathematics Textbook, Chap. 15, Pg. 353
a. ∠NML
What is the correct name for the angle below?
a. ∠SRT
b. ∠TRS
c. ∠RTS
d. ∠S
Building a Foundation in Mathematics Textbook, Chap. 15, Pg. 353
d. ∠S
What is the correct name for the angle below?
a. ∠DCE
b. ∠CDE
c. ∠ECD
d. ∠C
Building a Foundation in Mathematics Textbook, Chap. 15, Pg. 353
b. ∠CDE
An angle that measures 30° would be a(n) ____ angle.
a. acute
b. diminished
c. obtuse
d. projected
Reference: Measuring and Drawing Angles, “Measuring Angles,” Paragraph 2, Sentence 2
a. acute
An angle that measures 135° would be a(n) ____ angle.
a. acute
b. enhanced
c. lateral
d. obtuse
Reference: Measuring and Drawing Angles, “Measuring Angles,” Paragraph 2, Sentence 3
d. obtuse
A straight angle cannot be measured with a protractor.
True or False?
Building a Foundation in Mathematics Textbook, Chap. 15, Pg. 354, Example A
False
Angles that are formed by two intersecting lines and share a common vertex, but have no common side, are called ____ angles.
a. diagonal
b. opposite
c. similar
d. vertical
Building a Foundation in Mathematics Textbook, Chap. 15, Pg. 364, “Angle Pairs,” Paragraph 2, Sentence 1
d. vertical
Two angles whose measures have a sum of 90° are ____ angles.
a. complementary
b. component
c. composite
d. supplementary
Building a Foundation in Mathematics Textbook, Chap. 15, Pg. 364, “Angle Pairs,” Last Paragraph
a. complementary
Two angles whose measures have a sum of 180° are ____ angles.
a. complementary
b. sectional
c. straight
d. supplementary
Building a Foundation in Mathematics Textbook, Chap. 15, Pg. 365, Example C
d. supplementary
Vertical angles are always equal.
True or False?
Building a Foundation in Mathematics Textbook, Chap. 15, Pg. 364, “Angle Pairs,” Paragraph 2
True
Determine the measure of angle A without using a protractor.
a. 60°
b. 75°
c. 80°
d. 100°
Building a Foundation in Mathematics Textbook, Chap. 15, Pg. 366, Example E
c. 80°
Angles A and B are ____ angles.
a. complementary
b. opposite
c. straight
d. supplementary
Building a Foundation in Mathematics Textbook, Chap. 15, Pg. 365, Example C
d. supplementary
Find the measurement of angle C without using a protractor.
a. 150°
b. 160°
c. 170°
d. 180°
Building a Foundation in Mathematics Textbook, Chap. 15, Pg. 366, Example E
b. 160°
Angle A is 35°. If angles A and B are complementary angles, what is the measure of angle B?
a. 35°
b. 55°
c. 90°
d. 145°
Building a Foundation in Mathematics Textbook, Chap. 15, Pg. 364, “Angle Pairs,” Last Paragraph
b. 55°
Two lines in the same plane that never intersect are known as ____ lines.
a. adjacent
b. congruent
c. parallel
d. straight
Building a Foundation in Mathematics Textbook, Chap. 15, Pg. 366, “Parallel Lines and Angle Pairs,” Paragraph 1, Sentence 1
c. parallel
Two angles with the same measure are called ____ angles.
a. coincidental
b. common
c. concurrent
d. congruent
Building a Foundation in Mathematics Textbook, Chap. 15, Pg. 366, “Parallel Lines and Angle Pairs,” Language Box
d. congruent
Angles 2 and 7 are ____ angles.
a. alternate exterior
b. alternate interior
c. alternate lateral
d. alternate oblique
Building a Foundation in Mathematics Textbook, Chap. 15, Pg. 367, Sentence 1
a. alternate exterior
Angles f and g are ____ angles.
a. alternate interior
b. complementary
c. congruent
d. supplemental
Building a Foundation in Mathematics Textbook, Chap. 15, Pg. 366, “Parallel Lines and Angle Pairs,” Last Sentence
c. congruent
Angles e and h are ____ angles.
a. comlementary
b. opposing
c. supplementary
d. vertical
Building a Foundation in Mathematics Textbook, Chap. 15, Pg. 364, “Angle Pairs,” Paragraph 2
d. vertical
