Angle Operations Worksheet
Practice worksheet for 8th grade students covering angle operations including complementary, supplementary, and vertical angles.
Includes
Standards
Topics
Angle Operations
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Show all your work for full credit.
1. Two angles are complementary if their sum is:
45 degrees
90 degrees
180 degrees
360 degrees
2. If two lines intersect, the angles opposite each other are called:
Adjacent angles
Corresponding angles
Vertical angles
Alternate interior angles
3. Angles that add up to 180 degrees are called angles.
4. The sum of the angles in a triangle is always degrees.
5. Find the measure of the angle complementary to 35 degrees.
6. Find the measure of the angle supplementary to 110 degrees.
Use the diagram below to answer questions 7 and 8.
7. If ∠AEC = 50°, what is the measure of ∠BED?
8. What is the measure of ∠AED?
9. Vertical angles are always congruent.
True
False
10. Adjacent angles always form a linear pair.
True
False
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