Groups and FieldsMediumSplitting Fields and Constructions ShareSplitting Fields and Constructions · Medium problemCan a 90∘90^\circ90∘ angle be trisected with ruler and compass?ANo: no angle can be trisectedBNo: cos30∘\cos30^\circcos30∘ has degree 333COnly with a marked rulerDYes: 30∘30^\circ30∘ is constructibleCheck Show answer Walk through it step by step Practice more like this Review this concept