Complementary and Supplementary Angle Worksheet



Name _________________________Hour _________ Date ___________PreCalc A (4.1)Complementary and Supplementary Angle WorksheetCoterminal Angle worksheet****SHOW ALL WORK****1. If two angles add up to 180o or π they are __________________ angles.2. If two angles add up to 90° or π/2, they are ___________________ angles.One angle of a pair of angles is given. What is the measurement of the Complement b. Supplement3. 45° ________4. 82° ________5. 23° _________6. π/3_________7. 3 π/4_________8. π/6___________Coterminal AnglesPositive coterminal angle*Add 360 degrees or any multiple of 360 degrees (example 720 degrees) to angle* Add 2 π radians or any multiple of 2 π (example 4 π) to the angleA negative coterminal angle* Add -360o or any multiple of -360 degrees (example -720 degrees) to angle* Add -2 π radians or any multiple of -2 π (example -4π) to the angleFind a positive and negative coterminal angle for each:9. π/610. -7 π/4 11. 7 π/312. – π/313. 1.4214. 30?15. -460?16. 390? ................
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