REVIEW TYPE – QUIZ - DISCUSSION
1. What is an angle formed by two rays with a
common endpoint called?
a) Line
b) Angle
c) Circle
d) Triangle
What do we call the common endpoint where two
rays meet to form an angle?
a) Side
b) Vertex
c) Line
d) Point
An angle that measures exactly 90 degrees is
called a(n):
a) Acute angle
b) Obtuse angle
c) Right angle
d) Reflex angle
An angle less than 90 degrees is known as a(n):
a) Acute angle
b) Right angle
c) Obtuse angle
d) Reflex angle
An angle greater than 90 degrees but less than
180 degrees is called a(n):
a) Acute angle
b) Obtuse angle
c) Right angle
d) Straight angle
An angle that measures exactly 180 degrees is a:
a) Right angle
b) Acute angle
c) Straight angle
d) Reflex angle
What do you call an angle greater than 180
degrees but less than 360 degrees?
a) Acute angle
b) Obtuse angle
c) Reflex angle
d) Straight angle
If two angles add up to 90 degrees, they are
called:
a) Complementary angles
b) Supplementary angles
c) Adjacent angles
d) Vertical angles
If two angles add up to 180 degrees, they are
called:
a) Complementary angles
b) Supplementary angles
c) Adjacent angles
d) Vertical angles
Angles that share a common side and vertex but
do not overlap are called:
a) Vertical angles
b) Adjacent angles
c) Complementary angles
d) Supplementary angles
What is the sum of the interior angles of a
triangle?
a) 90 degrees
b) 180 degrees
c) 270 degrees
d) 360 degrees
13. What is the name of an angle that measures
more than 0 degrees but less than 90 degrees?
a) Right angle
b) Acute angle
c) Obtuse angle
d) Straight angle
14. A pair of complementary angles includes one
angle that measures 45 degrees. What is the
measure of the other angle?
a) 30 degrees
b) 45 degrees
c) 60 degrees
d) 90 degrees
If an angle measures 110 degrees, what is the
measure of its supplementary angle?
a) 90 degrees
b) 70 degrees
c) 110 degrees
d) 180 degrees
16. If an angle measures 80 degrees, what is the
measure of its complementary angle?
a) 10 degrees
b) 80 degrees
c) 100 degrees
d) 90 degrees
17. Which of the following angles is an obtuse
angle?
a) 45 degrees
b) 90 degrees
c) 120 degrees
d) 180 degrees
18. What is the sum of the angles in a
quadrilateral?
a) 90 degrees
b) 180 degrees
c) 270 degrees
d) 360 degrees
19. If two lines are perpendicular, what is the
measure of each angle formed?
a) 45 degrees
b) 60 degrees
c) 90 degrees
d) 180 degrees
20. An angle that measures 270 degrees is
classified as a(n):
a) Acute angle
b) Obtuse angle
c) Right angle
d) Reflex angle
21. Which of the following pairs of angles are
complementary?
a) 45° and 45°
b) 60° and 30°
c) 90° and 90°
d) 100° and 80°
Answer: b) 60° and 30°
22. Can two obtuse angles be complementary?
a) Yes
b) No
Answer: b) No
23. If two angles are complementary and one of
them is a right angle, what is the measure of the
other angle?
a) 90°
b) 0°
c) 45°
d) 180°
Answer: b) 0
24. If one angle measures 110 degrees, what is the
measure of its supplementary angle?
a) 90 degrees
b) 60 degrees
c) 70 degrees
d) 50 degrees
Answer: c) 70 degrees
25. Can two acute angles be supplementary?
a) Yes
b) No
Answer: b) No
