Angle Operations Worksheet

Practice worksheet for 8th grade students covering angle operations including complementary, supplementary, and vertical angles.

Grade 8 Math GeometryAngle Operations

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Includes

Multiple ChoiceFill in the BlanksShort AnswerCustomTrue / False

Standards

CCSS.MATH.CONTENT.8.G.A.5

Topics

mathgeometryanglesgrade 8

7 sections · Free to use · Printable

Angle Operations

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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