Since, they are seated evenlyaround a circular table,Distance between A,B,C,D,...,I is360°9=40°m<AOD=40°×3=120°m<AOD+m<OAD+m<ODA=180°m<ODA=m<OAD120°+2m<OAD=180°2m<OAD=60°m<OAD=30°\displaystyle\textsf{Since, they are seated evenly}\\ \textsf{around a circular table,}\\ \textsf{Distance between}\, A, B, C, D,...,I \,\, \textsf{is}\\ \frac{360\degree}{9} = 40\degree\\ m<AOD = 40\degree \times 3 = 120\degree\\ m<AOD + m<OAD + m<ODA = 180\degree\\ m<ODA = m<OAD\\ 120\degree + 2m<OAD = 180\degree\\ 2m<OAD = 60\degree\\ m<OAD = 30\degreeSince, they are seated evenlyaround a circular table,Distance betweenA,B,C,D,...,Iis9360°=40°m<AOD=40°×3=120°m<AOD+m<OAD+m<ODA=180°m<ODA=m<OAD120°+2m<OAD=180°2m<OAD=60°m<OAD=30°
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