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WorksheetsUnderstanding Angles and Their Relationships
Total questions: 15
Worksheet time: 8mins
What is the sum of all angles at a point?
360 degrees
180 degrees
270 degrees
90 degrees
If two angles are complementary, what is the sum of their measures?
90 degrees
180 degrees
60 degrees
45 degrees
Calculate the missing angle if one angle is 70° and the other is 110° on a straight line.
0°
180°
70°
110°
What are supplementary angles? Give an example.
100 degrees and 80 degrees
An example of supplementary angles is 110 degrees and 70 degrees.
45 degrees and 45 degrees
90 degrees and 90 degrees
If angle A is 45°, what is the measure of its complementary angle?
90°
60°
45°
30°
How many degrees are in a straight angle?
45 degrees
180 degrees
360 degrees
90 degrees
If angle B is 30°, what is the measure of its supplementary angle?
90°
120°
150°
180°
What is the relationship between angles on a straight line?
The sum of angles on a straight line is 90 degrees.
The sum of angles on a straight line is 360 degrees.
The sum of angles on a straight line is 180 degrees.
Angles on a straight line are always equal.
If three angles at a point are 50°, 60°, and x°, what is the value of x?
180°
250°
70°
90°
Calculate the missing angle if one angle is 90° and the other is 90° on a straight line.
0°
45°
90°
180°
If angle C is 25°, what is the measure of its complementary angle?
45°
75°
65°
90°
What do you call two angles that add up to 180°?
Adjacent angles
Complementary angles
Vertical angles
Supplementary angles
If angle D is 120°, what is the measure of its supplementary angle?
150°
30°
60°
90°
What is the total measure of angles around a point?
180 degrees
270 degrees
90 degrees
360 degrees
If angle E is 35°, what is the measure of its complementary angle?
70°
45°
55°
25°
