∠MON = 1/4∠AOB
105°45’= 104°+ 1°45’
1°45’= 105’= 104’+ 60’’
104°/4 = 26°
104’/4 = 26’
60’’/4 = 15’’
26°26’15’’
∠MON = 1/4∠AOB
105°45’= 104°+ 1°45’
1°45’= 105’= 104’+ 60’’
104°/4 = 26°
104’/4 = 26’
60’’/4 = 15’’
26°26’15’’