Chapter Test A - Loudoun County Public Schools...CHAPTER 10 CONTINUED NAME Chapter Test A For use...
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I iCHAPTER: N_ DATE ; 10 ! . , 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 tangency 9. Common Interior Tangent r 10. Common Exterior Tangent 11. Center 12. Radius 13. Diameter 14. Secant In Exercises 15-20, AS and MN are diameters of 0E. Find the indicated measure. 15. mAC 16. mNB 17. mLBEN - 18. mACN • 20. mMCB s\ f j j . " am Geometry Copyright © McDougal Littell Inc. All rights reserved.
Transcript of Chapter Test A - Loudoun County Public Schools...CHAPTER 10 CONTINUED NAME Chapter Test A For use...
I
iCHAPTER:
N_ ~ DATE; 10 !. , 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 tangency
9. Common Interior Tangent
r
10. Common Exterior Tangent
11. Center
12. Radius
13. Diameter
14. Secant
In Exercises 15-20, AS and MN are diameters of 0E. Find the indicated measure.
15. mAC
16. mNB
17. mLBEN -18. mACN •
19.mM~
20. mMCB s\
f
j j
."~
am Geometry Copyright © McDougal Littell Inc. All rights reserved.
CHAPTER
10 CONTINUED
NAME
Chapter Test A For use after Chapter 10
Find the measure of the angle or arc.
21. 22. 23. 24.
Find the indicated measure. -25. mLl 26. mMLK 27. niAB
Find the measure of L 1.
~·e-68.
M
. DATE _
---./
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
31.
32.
Find the value of x.
"2.. --,32.31.
Ge~m~try
Ch<1J1 tcer 1(() R~vi~w
1. In the diagram, Be is a radius of circle C. Determine whether AB is tangent to circle C. State yes 00md show supp~g work. "
'b 2.. ""'" \ ~...... ;h \0.,.... f\\6 \1:1 N~ -T ~-t ~\-'"J..S\o- ~'8\ ~\...-~ f\(3;c..~ N~
~ 1.-\) -i- ?:/B \ 6t. 0
2. In the diagram, AB is tangent to circle C at point B. Find the radius r.
\"\\S"Z-::;(2q'" \~ ( '1- d.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 J
~. :......-.:-' X.....-~__ ....:.:....~_~._ _""_."_-_-_:........:..o.-~-M
4. The points K and M are points of tangency. Find the value(s) of x
Kat<k \-5 -;- \3 ( 2X2+~
~~ -,(~ -=-)? \~-n: J<-- ". ~L
13I< 2-::-~ M)(-=
5. The points K and M ~re points of tangency. Find the value(s) of x
~~ ~ 8' X - \'1 - 6)(+\5 8X+15_ KJ ..
:Zt<-~ -=- 3£..- C~~- ~ , ~(J'bLx"l--=- \\.p ~' "l.. x·-:.--tl\ 2x+8x-17 ~. ,~~ ~
x--=6. Two diameters of circle N are RT and PS. Find the given arc measure if mTP = T. ~I
Draw a picture to help)
mST=
N\33
I
7. If there is enough information, find the measure of mAC.
~lcO- ?]:) --
B. If there is enough information, find the measure of chord QS. ~
~ Q
9. If there is enough information, find the measure of chord HJ.~ j
Jb~'.4 Q- ..
H· .
10. Find mLA and mLC. '\"t\ L -=- '-\~ 0
~x+-8 =: ~)(-~Lt \'\\ L- c., ~ ~ X -\-Y>
"1.,-=-32 d~L)~C6
-=--12.~ 11. Find mLA and mLC.
fnL.F1 ":=. ltD \) f\' L ~ :: 3lP l':)
12. Find the value of the variables. - + lDS --::-.,%D3)( + \Q3:. \~O
~ ~ \.D~ -=-\~o2:>){ ~ lL7 ~--=-\\D
)(~39 -=-~
13. Find the value of the variables.
\:0< -= C\\D+~~ 3,j~ l...\gt-\/\ '"'2.- -z.-
\~X-=-I'-- Sv. ~ \t)q.S ...J
)( -=- LD .-J.j_-_~~l~o\,-=S~
4
1...../ .
0
rFind the indicated measure in circle 0, given mCD = 85° and miE'= 9]0.
mLABC=14. eroO 15. mLCED~ l\2-.S () ~ ,~ o ~/)'''
16. mLBDE= ~,So 17. mLCBD~ ~2-C; ~0 \ Lil~SO 4BSO18. mL.ABD = 19.
yS1)20. mAD= 21.
22. Find the value of x.
96;;-'
,..__._.._._.- -_. _.. _._-' __._'.-._.. _ .
;~ 0 !mL.BCE = I B ~~ '" /
\'60\) \ ~
mABC=
.----,.-_ .. :':'-_":'::---··~2-J:fma-tne=W1iie~6:Cf-~-' _.
\OS+ X
2
24. Find the value of x.
25. Find ~e val~ of x. .\
(1~X -3) - l Ct.x + oJ (PJ
-26. The diameter of a circle is 14 feet. Exactly how far from the center of the circle is a
chord that is 6 feet? '2 1. ~ X'-::.. Ie..J Y -:::"dC1 +)( ~ -= l.\C1 /"
X '2..-:- 4D
_..--0)
4
( O-t-,/-3
lX-5YX+-~~It' .
X-:-S 'l.
l
i
28. Find the value of x. 5 ~ (-;. - 4') -=--{Jl3 l( \..."::. d-xl ~X' +--\b x==-4~)( 1--=- L-\)( * ';A; X
( f\\Zj 1 " X. --t) \'5x 1--_~CJ)( ~D OJ\'C 4~ ) 29. Find the value,\f ~'/':) ~ \
(x-~lx+-I)~-\f-4)
X\ L- -)--5)( - \ -:.?; X
X 2- - 2> X - \D -:::-a
3~[~~t~e:~y~\() %(\ A-)( ,-= tD C7+)(')
~ ~x-=-/D \C)( \ -- -;;(X
31.
BasketbaU The Xs show the positions Qftwo basketball If teammates relative to the CirCl.llar "key" on a basketbaH 5ft :\6ft court. The player "outside the key passes the hall to the ,
player OD the key. To the nearest tenth of a foot, hoyv' / .r
!long is the pass? : 12 IT \
"\ "'~
32. Given a circle: (x+zf +(Y-4f =25
a) What is the center? t- L \~ b) What is the length of the radius? 5. '----c) If (-2, y) is on this circle, what is/are the exact coordinate(s) of y?. / L \ C1j
L-__---.::-- --T---.-_--c--__-b I~ Cj":,-\)"'-- <AS (~-qV~-I-\"""D ~"L_~ '.::. \10 -=- ;;).S ~ - C)~'1--g~_C1~O
