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= 150/360 X 120 X 6² (karena 60 derajat = 120cm², ya dikali 6)
= 150/3 X 6 X6
= 1800cm²
L Juring OKM = 120 cm
sudut OKM = 60
Sudut arsir = 150
dit : L juring arsir
Jawab :
=
=
60x = 18000
x =
x = 300 cm
jadi, luas juring OKM = 300 cm.