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- 1. Multiple Choice
Find the arc length. Leave your answer in terms of π.7/4π7/2π1/8π45π - 2. Multiple ChoiceA ____ angle is an angle whose vertex is a the center of a circle.supplementarycomplimentarycentralobtuse
- 3. Multiple ChoiceA region bounded by two radii of the circle and their intercepted arc is a ....arc of a circlearc length of a circlesector of a circlesegment of a circle
- 4. Multiple ChoiceAn ____ is an unbroken part of a circle consisting of two points called the endpoints and all the points on the circle between them.adjacentarcalgorithmarea
- 5. Multiple Choiceis the formula for?arc lengtharea of a sectorarea of a segmentarc measure
- 6. Multiple ChoiceAlison is jogging on a circular track that has a radius of 140 feet. She runs along the track from point R to point N, a distance of 230 feet. Find to the nearest degree, the measure of minor arc RN. HINT: You may have to work backwards.47 degrees74 degrees94 degrees123 degrees
- 7. Multiple ChoiceWhen she is outdoors, Tasha, the dog, is tied to a stake in the center of a circular area of radius 24 feet. The angle between her dog house and her favorite hydrant is 165 degrees. What is the length of the arc from her dog house to the hydrant, following minor arc DG, to the nearest foot.40 ft35 ft55 ft69 ft
- 8. Multiple ChoiceFind the area of the shaded sector of circle O. The radius is 6 inches and the central angle is 100°. Express answer to the nearest tenth of a square inch.9.2 sq. in.10.5 sq. in.31.4 sq. in.38.2 sq. in.
- 9. Multiple ChoiceFind the area of each sector.4248 m27.9 m22827.4 m211.8 m2
- 10. Multiple ChoiceFind the area of the dark blue sector shown at the left. The radius of the circle is 4 units and the length of the arc (the curved edge of the sector) measures 7.85 units. Express answer to thenearest tenth of a square unit.0.3 square units15.7 square units19.7 square units50.3 square units
- 11. Multiple ChoiceConvert from radians to degrees: 7π ∕ 4330°45°315°75°
- 12. Multiple ChoiceWhat is 240 degrees in radians?π/34π/35π/32π/3
- 13. Multiple ChoiceWhich quadrant is -5π/6 in?IIIIIIIV
- 14. Multiple ChoiceConvert 100⁰ to radians5π/9π/25π/85π/6
- 15. Multiple ChoiceConvert π radians to degrees.90⁰180⁰360⁰60⁰
- 16. Multiple ChoiceIf you split a circle into 12 equal parts, how many degrees will each section be?60o12/piopi/12o30o
- 17. Multiple ChoiceHow do you know which side is the OPPOSITE?It is next to the right angleIt is opposite the right angleIt is opposite the thetaIt is the bottom leg of the triangle
- 18. Multiple ChoiceSusan is flying a kite, which gets caught in the top of a tree. Use the diagram to estimate the height of the tree.63 ft65 ft74 ft87 ft
- 19. Multiple ChoiceA yacht is anchored 90 feet offshore from the base of a lighthouse. The angle of elevation from the boat to the top of the lighthouse is 26 degrees. The distance between the yacht and the top of the lighthouse is about 100 feet. Which of these is nearest to the height of the lighthouse?25 feet45 feet110 feet135 feet
- 20. Multiple ChoiceA hawk sitting on a tree branch spots a mouse on the ground 15 feet from the base of the tree. The hawk swoops down toward the mouse at an angle of 30 degrees. What is the distance from the tree branch to the mouse?7.5 ft15 ft26 ft30 ft
- 21. Multiple ChoiceWhich one is the easy way to remember trigonometric ratios?Sah Coh ToaSoh Cah ToaSoh Cah TaoSoh Ceh Toa
- 22. Multiple Choice29/2120/2120/2921/20
- 23. Multiple Choice7/2414/5048/4148/50
- 24. Multiple Choice30/3416/3415/1730/16
- 25. Multiple Choice3/54/54/35/4
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