 ooka chaturasram  30  degrees , 90  degrees mariyu  150  degreela koonaalanu kaligi umtumdi .  chaturasramlo chivari konam emti ?
 chaturasramloni anni koonaalu tappanisariga  90  degrees vundali .  chaturasraalu  30  degrees ledha  150  degreela koonaalanu kaligi undakudadu 