generate queries related to learned knowledge items as follows: test, default, join, multiple join, left join, right join, distinguish, where, group by, order by, delete, update, enter, like.

Refer to the figure and match the theorem that supports the statement.1.if chords are =, then arcs are =.if bc = de, then arc bc = arc de2.if arcs are =, then chords are =.if arc bc = arc de, then bc = de3.diameters perpen