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Supplementary angles are two angles whose sum is 180°. It can also be called linear pair of angles. The sum of a pair of linear angles is always 180°. Thus, the supplement of 55° is (180 – 55), that is 125°. The supplement of 125° is 55°, the vice versa.
Put your geometry skills to test with these worksheets where 6th grade students identify all the linear pairs by searching for sets of angles that are adjacent and supplementary in part A and find the linear pair of the specified angle in part B.
Utilize our printable complementary and supplementary angles worksheets to help build your child's skill at identifying complementary and supplementary angles, finding the unknown angles, using algebraic expressions to find angular measures, and more.
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Complementary, Supplementary, and Vertical Angles Practice Part I. Name the relationship: complementary, supplementary, or vertical. Note: The answers page will say linear pair instead of supplementary.
Geometry Worksheet For #1-6, use the figure at the right. 1. Name two acute vertical angles. 2. Name two obtuse vertical angles. 3. Name a linear pair. 4. Name two acute adjacent angles. 5. Name an angle complementary to FKG. 6. Name an angle supplementary to FKG. Find the measure of each numbered angle. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18.
Find x if the angles are supplementary. Stair Railing: A stair railing is designed as shown in the figure. Use the angles identified in the figure to name two pairs of the indicated type of angle pair.
