WPC '6ՄbQbV-4ז2_A+ʖNQ:#;IS [T5Ud4!ݣW ѢP "41AQњHxB!פHZ݄:ʰ;'Y*NF5",uB` ?Iv.77G5tXֆP#.2[:ebhHh>V tW7ZLG$CosB#dS^ *ĒɱkJ(l\s%Xq'CTZc U.1y؋ԒPȷ =,[X"w_!"95 Apөy?$:]%)_l}IióO;*k MR>2EBDǗb4ҡ½Z-s(zn*)BtR9-@t4}{J% dim5ucqd#xU N9 % 0: 1u 72< 0cn ^ w 4   m f a f3 a5 I    aaaaa@ 'o111@ o@ ]ogggggggggggggggggggggggggggggggggggggggggggggg B D- A>OKIDATA Okipage 6e Hi-Per W,4,00,,40(9 Z6Times New Roman RegularX($USUS.,3#37=CIQYag1.a.i.(1)(a)(i)1)a)i)(;3$2#  0  .3  0  X+ e_W+3|xUpTABLE ATABLE BLevel 1Level 2Level 3Level 4Level 5Level 1Level 2Level 3Level 4Level 5Level 1Level 2Level 3Level 4Level 5Level 1Level 2Level 3Level 4Level 5Level 1Level 2Level 3Level 4Level 5 WPC$}513%)+.-  0ӿN3  WPC513%)+.-. WPC513%)+.-E d)!dxdxc]&Draw Object =8C HKKKKLevel 1Level 2Level 3Level 4Level 5 !USUS.,  _e   Name XX__________________   #XXr#ԀPeriodXX _________________ $ _RelationshipofAnglesofaTriangle#XX#  l > Objective: Investigatetherelationshipoftheanglesofatriangle.  |  NCTM :Standard14,7  l  IGO :0  Geometry9 \(#(#  (#33"3"  3-2#  1  .3  0    Constructatriangleandlabelit [XXԀ#XX [#SXX#XXS#ABC.3-Z݌ \ (#(# Ќ  "3"  32#  2  .3  0    ConstructarayfromAB.3݌ l (#(# Ќ  "3"  32#  3  .3  0    LabelapointDonrayABoutsideofSXX#XXSZ#ABC.3݌| (#(# Ќ  "3"  32#  4  .3  0    Measurethefollowingfortrial1.3*݌h (#(# Ќ  *\ddd Xdd Xdd X(#(#,` dd +  T T  bxt$j~13p@@@7, ddI@Eos< Zb-vr$j~1'p2@@@5,E ddt@Ejc< h߀C <  bvr$j~1B}pB@@@5,3 dd[$@E.}}̀DBA T  @    `    *l\dd` dd ` \(#(#l, dd ,9dd ,dd ,dd +  44    Trial1   Trial2   Trial3   mO_BCA_            mOCAB         !   " mO_CBA_  #   $   %   & mOCBD   '    (    )    * mO_BCA_+mOCAB+mO_CBA_  !+   !,   !-   !. mO_BCA_+mOCAB  #/   #0   #1   #2 mOCBD+mO_CBA_  $!3   $!4   $!5  $!6    "3"  32#  5  .3  0    MakeaConjecture:________________________________________________________3݌' $8(#(# Ќ    ________________________________________________________________________ |($9 "3"  32#  6  .3  0    SelectpointC:PlacethepointeronC.NowdragC.RecordyouranswersonTrial2.3=݌T*&;(#(# Ќ  "3"  3.2#  7  .3  0    Repeatstep6andrecordasTrial3.3.[݌@+'<(#(# Ќ  "3"  32#  8  .3  0    Isyourconjecturetrue?________________  3H݌,,(=(#(# Ќ