169_186_CC_A_RSPC1_C12_662330.indd



10-2 Skills PracticeMeasuring Angles and Arcs512445014605AC and EB are diameters of ?R. Identify each arc as a major arc, minor arc, or semicircle of the circle. Then find its measure.1. mEA 2. mCB3. mDC 4. mDEB5. mAB 6. mCDAPR and QT are diameters of ?A. Find each measure.5276850958857. mUPQ 8. mPQR9. mUTS 10. mRS11. mRSU 12. mSTP13. mPQS 14. mPRUUse ?D to find the length of each arc. Round to the nearest hundredth.535305014478015. LM if the radius is 5 inches 16. MN if the diameter is 3 yards17. KL if JD = 7 centimeters 18. NJK if NL = 12 feet19. KLM if DM = 9 millimeters 20. JK if KD = 15 inches10-3 Skills PracticeArcs and ChordsALGEBRA Find the value of x in each circle.42862583820356235083820356235013696954286252655570356235026555701.2.495300844553.4.5.6.488632520320In ?Y the radius is 34, AB = 60, and mAC = 71. Find each measure.7. mBC 8. mAB9. AD 10. BD11. YD 12. DC13. In ?U, VW = 20 and 14. In ?Z, TR ? TV, SZ = x + 4, andYZ = 5x. What is x?UZ = 2x ? 1. What is x?348615025146028956025146010-4 Skills PracticeInscribed AnglesFind each measure.1. mXY 2. m∠E20002514732034099501473203. m∠ R 4. mMP3409950806452000254445ALGEBRA Find each measure.4176395641359925051143005. m∠N 7. m∠C6. m∠L 8. m∠A916940381004326890165109. m∠J 11. m∠S10. m∠K 12. m∠R10-5 Skills PracticeTangentsDetermine whether each segment is tangent to the given circle. Justify your answer.1. HI 2. AB343852585725276224161925Find x. Assume that segments that appear to be tangent are tangent. Round to the nearest tenth if necessary.271780977903438525946153. 4. 34385251365252762251365255. 6. For each figure, find x. Then find the perimeter.34385251181101524001181107. 8. ................
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