Chapter Test A

; 10 ! Chapter Test AiCHAPTER:N.i .,.DATE ,. ,.1For use after Chapter 10The diameter of a circle is given. Find the radius.1. d 8 ft2. d 9 em3. d 2.1 mfIjThe radius of 08 is given. Find the diameter of 0B.4. r 21 em5. r 33 ftj6. r 2.9 mUsing the diagram below, match the notation with the termthat best describes it. " 7. Chord8. Point of tangency9. Common Interior Tangent10. Common Exterior Tangent11. Center12. Radius13. Diameter14. SecantrIn Exercises 15-20, AS and MN are diameters of 0E.Find the indicated measure.15. mAC16. mNB17. mLBEN-18. mACN 19.mM 20.amGeometrymMCBs\Copyright McDougal Littell Inc.All rights reserved.

CHAPTERNAME10CONTINUED. DATEChapter Test AFor use after Chapter 10---./Find the measure of the angle or arc.21.22.23.21.24.22.23.24.25.26.Find the indicated measure.25. mLl-27.26. mMLK27. niAB28.29.30.M31.32.Find the measure of L 1. ·e-68.Find the value of x.31.32.,"2. --

Ge m tryCh 1J1 tcer 1(()R vi w1. In the diagram, Be is a radius of circle C. Determine whether AB is tangent to circle C.State yes 00md show'b 2. ""'" \ . ;h \0.,. \-'"J.S\o- '8\ 1.-\) -i- ?:/B \supp gwork. "-T\1:1 N -t \.- f\(3;c. N f\\66t.02. In the diagram, AB is tangent to circle C at point B. Find the radius r.\"\\S"Z-::;(2q'"( '1d.d. -- - f 1- d. 5 -:;;.' tCS r 8\ & \3. The points K and M are points of tangency. Find the value(s) of x.'-\X I-: -')(- K\5 :: .:.-.:-'.:.:. . x"" ." X.- -J.- :.:.o.- M4. The points K and M are points of tangency. Find the value(s) of xat k\-5 -;- \3 -,( - -)?I 2-::- (K2X2 J -- ".\ -n: L13M)(- 5. The points K and M re points of tangency. Find the value(s) of x 8' X - \'1 - 6)( \5- - 3 .C -:Zt - x"l-- - \\.px-- '"l., JmST K , (J'bLx·-:.--tl\ .2x 8x-176. Two diameters of circle N are RT and PS. Find the given arc measure ifDraw a picture to help)8X 15. m TP T.\33 IN

7. If there is enough information, find the measure of mAC. lcO- ?]:)- -B. If there is enough information, find the measure of chord QS. Q9. If there is enough information, find the measure of chordHJ. jJb '.-4 Q . 4H·10. Find mLA and mLC. x -8 : )(- Lt"1.,- -32 - - '-\ 0'\"t\ L\'\\ L-c.,Y X -\-d L) C6- --12. I11. Find mLA and mLC.fnL.F1": .f\' L ::.ltD \)3lP l':)- lDS --::-.,% D12. Find the value of the variables.3)( \Q3:. \ O 2: ){ lL7\.D - -\ o -- -\\D)( 39- - 13. Find the value of the variables.\:0 - C\\D '"'2.-\ X- -I'-)( - - LD3,j l.\gt-\/\-z.- Sv. \t)q.S.-J.j - l o\,- S .J1./.

rFind the indicated measure in circle 0, given meroO15.mLBDE ,So17.mL.ABD Lil SOmLCBD 2-C;19.mL.BCE 14.mLABC 16.18., 20.CD 85 and miE' 9]0.mAD yS1)mLCED l\2-.S () mABC 21. o /)''' 04BSO B ; I\'60\)/!0'"\\22. Find the value of x.:':'- ":'::---·· 2-J:fma-tne W1iie 6:Cf- -'.----,.- . . . . . .- - . .,. -'. '.-. .\OS X2 24. Find the value of x.96;;-'25. Find e val of x.\(1 X -3) - l Ct.x oJ(PJ26. The diameter of a circle is 14 feet. Exactly how far from the center of the circle is achord that is 6 feet?'2 1. X'-::.--0)Ie. JC1 )( - l.\C1X '2.-:- 4DY/"-:::"d0

li5 (-;. -xl X' --\28. Find the value of x.l3l(\."::.d-bx -4* ';A; X )( 1-- - L-\)(( f\\Zj 15x 1-- CJ)( D29. Find the value,\f '/':) 2 X- \D" X. -- t) \ 'OJ\'C 4 )lX-5YX - \(x- lx -I) -\f- 4)X\ L- -)--5)( - \ -:.?; X 4 X 2- -4') - -- {JIt'.X-:-S-:::-a'l.3 [ t e: y \()%(\ A-)(O-t-,/-3(C,- t D 7 )(') x- -/D\-- -;;(X\C)(31.BasketbaU The Xs show the positions Qftwo basketballteammates relative to the CirCl.llar "key" on a basketbaHcourt. The player "outside the key passes the hall to theplayer OD the key. To the nearest tenth of a foot, hoyv'long is the pass?If5ft :\6ft/.r, !:12 IT\"\"' 32. Given a circle: (x zf (Y-4f 25a) What is the center?t- L \ b) What is the length of the radius?c) If (-2, y) is on this circle, what is/are the exact coordinate(s) of y?. / -bL - ---.::--- - T - - - . - - - c - -Cj":,-\)"'- "L '.::. AS\10 - - ;;).S '1--g C1 O( -qV -I-\"""D - C)5. '---- L \C1jI

Chapter Test A i .,. . ,.1 . For use after Chapter 10 . The diameter of a circle is given. Find the radius. 1. d 8 ft 2. d 9 em 3. d 2.1 m The radius of 08 is given. Find the diameter of 0B. 4. r 21 em 5. r 33 ft 6. r 2.9 m Using the diagram below, match the notation with the term that best describes it. 7. Chord 8. Point of .