Date
Poge
llzoa CHPt-G1EOME TRY G MENSURATION
emabu lu angles, Polygan
une ju a tanght ihe orthout any end poini. t
. ing
inkinite in length.
dhe qux Jelow shouua a line hat entenda to Jnlunubs gh
ithod
naagmunt line Argmentjaapart aaJuia. Ain
0gmnt has Jio end _pom and hay a ne Jength.
n thiu laureAB ua June
A 9egmont whidh ua pat o
A GB at the erdpoints o June degmont AB,
hgl-Jwo tays uohich haue a _commen end pointien an ar
SnhiuguRe
DO
and Þ ave too Hays ohlch haec0
as the mmon end point and an anpta wtha
measux uedAnglei au MaaJUNd
Jn olaguR ad A Hood ay Ad0grao
NoTE Jhe wit dagueudoinad a 360
tha Sotal ange
0HOurd a point Jhat moans hot the total angle aHOund a
pSUnt Ja 360
n hu gune AB AL Ce m Algmenta mading
Veulen at pounE A. Jhew anglacHmd tan Jk denotodl
Ongla Q A BACLCkB and Rad au
ango A 0 angte BAC angte CAB JHpe tiely.
Vey ln polnt
aur agla t x_Je
h u maadueo a n avgl
04aL20, it u allud anauds anale
30 Hast, ADB JA an QLuti cnle
, iSMt
Right angle 90,iB is called ight avgs
0
AB
tuao angko 90X<1RD,it u alod '
anostuLe angl 30
Ho AOD JA an abtude gdo
braigt avg x=180 alld shraughB onde
Repai angle 9 1s0<1<360 Old oLloM argl
A
AOF j a oulon O
Lomplett angdo A=3lditi talld a complei.anala
tho angt a cHdo
omplormornBay angles: Uohon he Aum e tuo angle o
tha udo angle ao_called Complomantau angts
tY=902and y aMO_(allld tomplemantay angles
upplumhauy ongl tohon dho aium u n ngtes u D
ho u0o anglu ao callkd supplmentanu arg.
a t b : =186' , a b axo alld Supplomoniay Ahgus