Question

If angle BOC = 30°, then arc CAB =
https://banff.owschools.com/media/g_geo_2013/7/groupi85.gif

Answer 1

arc CAB=360-30=330

Answer 2

The angle subtended by an arc at the centre is double the angle subtended by it in any part of the circle.

Answer 3

@surjithayer

Answer 4

Draw OA,OB,OC,OD
OA=OC,OB=OD ( radii of same circle)
m<1=m<2 (given)
Triangle A O B=Triangle COD (SAS)
AB=CD