"'$#'#%$ #* "
"'+'#"%("'" &"'%!""
" "WPJEJOH$PNNPO&SSPST
%XERCISE 3OMESTUDENTSMAY
ANSWERHASTILYANDSELECTCHOICE$
0OINTOUTTHATONELETTERNOTATION
CANNOTGIVETHECORRECTANSWER
SINCEALLTHREEOFTHEANGLESHAVE
VERTEX# &$$ #$# $$' #%"# $&$"
3AMPLE
&'& " "
#%%''%%#%!"&''"'' %*&''#
&($$#%'+#(%"&*% "+! %"'"'!"&(
% $!"$$&
$$#%"
&'("'&''&'' "&' "
#%%''&'("'&%%#%%*&''#&($$#%'+#(%"&*%
$*%&% &%($&) '%&&#"!& % $!"$$&
" #$# #(%!&(%" *'$%#'%'#%"
+#( "($ *''!% "&($*'' !%"
+#(!#)'$%#'%'#%&#'' "&($*''!%'
!%#& "($*' "&! %'$%$%%
$$! $# "$!"' ##($&$ "$# ! $$$#$
$" " $ ,
$!"$$&
'& &'% '& &'% "!
*# ('()%** $)+(&%+*%#
*(* '&))!#,#+)& # !)*) !)*) % !)*) "WPJEJOH$PNNPO&SSPST
$)+(& !)
!% #
%* !($
%XERCISE 3TUDENTSMAYWRITE
XBUTFORGET X
2EMINDTHEMTHATTHEYNEEDBOTH
INEQUALITIESTOCOMPLYWITHTHEDEF
INITIONOFANACUTEANGLE
% !))*(! *%#!% % .BUIFNBUJDBM3FBTPOJOH
%XERCISE (AVESTUDENTSUSEX
TOREPRESENTM#%$4HENTHEY
CANWRITEANEQUATIONTOFINDX %* )+#'*+() &-%!%* ' &*&(' 3FBEJOH4USBUFHZ
)+''&)* $)+(& !)
%* $)+(
& !)
*!)* $)+(& GPSQSPCMFNTPMWJOHIFMQBUDMBTT[POFDPN
%XERCISE 4ELLTHESTUDENTSTHAT
READINGANDUNDERSTANDINGA
GEOMETRYEXERCISEOFTENREQUIRES
READINGNOTONLYTHEWORDSBUTALSO
ADIAGRAM4HEDIAGRAMFORTHIS
EXERCISECONTAINSSEVERALSEG
MENTSTHATARENOTUSEDINANSWER
INGTHEEXERCISE3TUDENTSMAY
WANTTOMAKEASEPARATESKETCHTO
SHOWONLYTHEPARTSOFTHETRUSS
THATARENEEDEDFORCOMINGUPWITH
THEANSWER
$') &-)* !%*()*!&%&* ((&)#&$/!%*()*)
/%/*(**%%#&("&!%*()*)/%/*(**%%#
&
!%* %#*- ! #&$/!%*()*)("& GPSQSPCMFNTPMWJOHIFMQBUDMBTT[POFDPN
! ! %* (&&*(+)) !)*) % % !%* $)+(&* &##&-!%%#)
%*
(&&*(+)) !)*) !% % $%.$'#& &* &##&-!%*/')&%#) "!
!" !% !!
"%')!"'"!"!'
#&' '' &(%"
*% &"!'% %!"!'( &'"('"
! &'"'"!"'!'%&%&''"!
*.+#,%'
"44&44BOE
3&5&"$)
%BJMZ)PNFXPSL2VJ[
4RANSPARENCY!VAILABLE
#LASSIFYEACHANGLEASACUTE
OBTUSERIGHTORSTRAIGHT
M! RIGHT
M" ACUTE
M# OBTUSE
0OMJOF2VJ[
'-" %!,"(0' #,,-+#!"-'!%'
#,-, ' "#"'!%,+.-(-.,+#!"-
#
$
"
'-# 1-"('!+.'-'!%,
=k
)F89zBISECTS:87ANDM:89
lNDM:87 (.-
(.-"(%
(.-
(,-($
.+(
(.-
1(0 (.-
)FM$%' lND
M&%' .&('-+/#%%
(.-
0,(' (.-
#' ' &+!#'
%
&
!
+-,-( --"-(.%+)+,'-
!VAILABLEATCLASSZONECOM
1-"#+%!+)"--"+#!"- 1(.++,('#'!
'0(.+)($-0(."/
)''#,
'#$%,
#&,*.+-+,(%%+#%%,'#$%,#&,)''#,"
%JBHOPTJT3FNFEJBUJPO
+)+,'- '*.+-+,'(%%+#%%,"+)+,'- s0RACTICE!"#IN#HAPTER
2ESOURCE"OOKPPn
s3TUDY'UIDEIN#HAPTER
2ESOURCE"OOKPPn
s0RACTICE7ORKBOOKPPn
s (OME4UTOR
$IBMMFOHF
(.' +#'!((.--(#''+'")1 (+1(.+(0'&%
"-(-%(,-( -"-0(&%,#,(.+&%(,-
&(+-"'
1(.+ +#',&%(0&."(,"&%(,- 0(.+&%
+#',&%
%#'!$('+"!!( %!*'%'%#& "% "% 1&+!#' (++-
!DDITIONALCHALLENGEISAVAILABLE
INTHE#HAPTER2ESOURCE"OOK
P
+0
+0
,!&'-
' (+ %#'
%#'
,!&'-
CM$&%$&%!&" M"&#ITISCOMPLEMEN
TARYTO!&" M#&$
#&$"&# M!&#IT
ISARIGHTANGLE!&%ISASTRAIGHT
ANGLEBISECTEDBY]
&#z M!&$
M!&$M!&#
M#&$ M"&$
M"&$M"&#M#&$ !'""%!'"' #"!'"'& !'
© Copyright 2026 Paperzz