" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
<ABO = <BAO = <OCD = <ODC = 27°jumlah AOB = DOC = 180°
AOB = (2 x 27) + <AOB
180° = 54 + <AOB
<AOB = 180 - 54° = 126 °
besar sudut pusat O = 360°
BOC = (360 - (126x2)) : 2
= 108 : 2
= 54°
maka besar sudut <BOC = 54°