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Two angles are complementary angles if they add up to _____ degrees. They do not have to be next to each other. When two lines intersect, four angles are created to having a point of intersection at the _____. The angles that are _____ from each other are considered to be vertical angles. They are also _____.
Problems on complementary and supplementary angles are most easy to solve if you just remember the numbers 90 and 180. With the definitions given below, you will know how these numbers have been used in angles. You have ample problems to identify and calculate the missing measure of angles.
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.
Complementary and supplementary angles worksheets help students to get a better understanding of the concept of angles. As these worksheets are interactive, students can visualize the topic they are learning.
4) The complementary angle of 54° is 36° 5) The complementary angle of 85° is 5° 6) The complementary angle of 84° is 6° 7) The complementary angle of 44° is 46° 8) The complementary angle of 60° is 30° 9) The complementary angle of 34° is 56° 10) The complementary angle of 63° is 27° 11) The supplementary angle of 121° is 59°
EXAMPLE. 1 Identify Complements and Supplements. Determine whether the angles are complementary, supplementary, or neither. a. 228 b. c. 1588 158 858 558 358. Solution. Because 228 1 1588 5 1808, the angles are supplementary. Because 158 1 858 5 1008, the angles are neither complementary nor supplementary.
Similar Triangles. Name___________________________________. Date________________ Period____. State if the triangles in each pair are similar. If so, state how you know they are similar and complete the similarity statement. 7) similar; SSS similarity; ∆QRS8) not similar.
