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WorksheetsExploring Lines and Angles
Total questions: 20
Worksheet time: 10mins
What type of angle measures less than 90 degrees?
Reflex angle
Acute angle
Obtuse angle
Straight angle
What type of angle measures exactly 90 degrees?
Obtuse angle
Right angle
Acute angle
Straight angle
What type of angle measures more than 90 degrees but less than 180 degrees?
Acute angle
Right angle
Obtuse angle
Straight angle
How many degrees are in a straight angle?
360 degrees
180 degrees
90 degrees
120 degrees
What is the measure of a right angle in degrees?
90 degrees
45 degrees
120 degrees
60 degrees
If two angles are complementary, what is the sum of their measures?
90 degrees
45 degrees
180 degrees
60 degrees
Identify the angle: 45 degrees.
45 degrees
90 degrees
60 degrees
30 degrees
Identify the angle: 120 degrees.
Straight angle
Obtuse angle
Right angle
Acute angle
Measure the angle using a protractor: 75 degrees.
90 degrees
75 degrees
80 degrees
70 degrees
Measure the angle using a protractor: 150 degrees.
180 degrees
90 degrees
120 degrees
150 degrees
Classify the angle of 30 degrees as acute, obtuse, or right.
acute
obtuse
straight
reflex
Classify the angle of 95 degrees as acute, obtuse, or right.
obtuse
acute
right
straight
If one angle measures 30 degrees, what is the measure of its complementary angle?
90 degrees
60 degrees
45 degrees
30 degrees
If one angle measures 60 degrees, what is the measure of its complementary angle?
15 degrees
90 degrees
45 degrees
30 degrees
What is the term for angles that add up to 180 degrees?
Supplementary angles
Vertical angles
Complementary angles
Adjacent angles
What is the term for angles that add up to 90 degrees?
Vertical angles
Supplementary angles
Adjacent angles
Complementary angles
Draw an acute angle using a protractor. What is its measure?
Any angle greater than 90 degrees, for example, 120 degrees.
Any angle less than 90 degrees, for example, 45 degrees.
Any angle equal to 180 degrees, for example, 180 degrees.
Any angle equal to 90 degrees, for example, 90 degrees.
Draw an obtuse angle using a protractor. What is its measure?
120 degrees
150 degrees
90 degrees
135 degrees
If two angles are supplementary, what is the sum of their measures?
360 degrees
180 degrees
90 degrees
45 degrees
What is the measure of an angle that is neither acute nor obtuse?
90 degrees
45 degrees
180 degrees
360 degrees
