Page 75 - Math Grade 11 (Basic)
P. 75
PROEUS DARA
?HWlm~t'~h~ AB '1 ~~ntlnmti~Ln~'i:lls9mR9sbt9lsh
u
LUt~b~ AB 1:9 '1
u
ttnntsg ~:l=lm~n2lnHrHi.hhmng'ln ftHli'i:lls9mR
1 n et I! 1 u J
9sbt94Luf~h~ '1
u
r;rubtlhm~uf1bg 2nr ~:gfj'Sbu1'i:llin~b{1hll~nnru-J 360° u -J 2n(rd) db
w ~ "" Gl!n 1 "'-1
u
'i:ll2 2 rum 360° = 2rr(rd) '1
1 0
trubms9mR9sbn'lb~~h5~tlndltltLnsbh~{1~ 1rd = ~ =5r
l o = I ~0 = 0.0 l7 '1
r; 1=1 ffiul=l M21LU t~ h~ AB tmruuns&n~atlnm~titLnt9lhtlJ{1 a= 30° y_
u u
o.. = 30 x l~O = 0.52rd ~f~b~ AB = a · r = 0.52 x 5 = 2.6cm '1
u
a = ~rd ffiuMHMHttl t15~ a = ~ '1
m-J 30° ' 45° ' 150° m'htlJ{1 sbm-J :It ' ~3n ' 3n mtiq~ '1
fl 1 u 1 5
n
5rr
__::__X 30 = ~ __::__X 45 = ~ J8() X ]50= 6
180 6 180 4
J80o X~ = 36o ' J80o X 2:n; = J20o ' 180o X 3Jt = 540o 'j
:It 5 'Jt 3 :It
-7n
'2
70
