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Grade 7 Complementary, Supplementary & Vertical Angles Worksheet with Answers
Grade 7 (US) · Year 8 (UK) · Class 7 (India) · Math
Unit 5: GeometryAngle RelationshipsCCSS 7.G.B.5
Using angle facts to find unknown angles and to set up and solve simple equations. This free middle school worksheet has 12 questions and a full answer key. Print it or save it as a PDF — every answer is checked by code, not guessed.
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Practice Sheetaethelsystems.comComplementary, Supplementary & Vertical Angles
Grade 7 · Math
Name
Class
Date
Learning goal: Angle Relationships · CCSS 7.G.B.5
Directions: Use the pictures to help you. Solve each problem. Show your work, then write your answer in the box.
What is the complement of a 61° angle?
Answer: 29°
RememberAngle pairs
- 1
What is the supplement of a 140° angle?
Answer - 2
Two angles are supplementary. One is (3x + 11)° and the other is 130°. Find x.
Show your workAnswer - 3
What is the supplement of a 92° angle?
Answer - 4
What is the supplement of a 44° angle?
Answer - 5
What is the complement of a 8° angle?
Answer - 6
What is the complement of a 7° angle?
Answer - 7
Two lines cross. One angle is 79°. What is the angle vertically opposite it?
Answer - 8
Two angles are supplementary. One is (2x + 12)° and the other is 118°. Find x.
Show your workAnswer - 9
Two angles are supplementary. One is (2x + 20)° and the other is 114°. Find x.
Show your workAnswer - 10
What is the complement of a 84° angle?
Answer - 11
What is the supplement of a 95° angle?
Answer - 12
What is the complement of a 69° angle?
Answer
★ Challenge corner for fast finishers
On a grid, you walk from the bottom-left corner to a point 3 blocks right and 4 blocks up, moving only right or up. How many different shortest paths are there?
How did I do?
Teacher's comments
Free printable worksheets with answer keys · aethelsystems.com/worksheets/math/7/angle_relationships
Answer key — Complementary, Supplementary & Vertical Angles (Grade 7)
- 1.40°
- 2.x = 13
- 3.88°
- 4.136°
- 5.82°
- 6.83°
- 7.79°
- 8.x = 25
- 9.x = 23
- 10.6°
- 11.85°
- 12.21°
- ★35
Answer key (click to show)
- 1.40°
- 2.x = 13
- 3.88°
- 4.136°
- 5.82°
- 6.83°
- 7.79°
- 8.x = 25
- 9.x = 23
- 10.6°
- 11.85°
- 12.21°
- ★35 (challenge corner)
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