Meaning of leanness in organization

Two technicians are discussing the common u-joint. technician a says its input and output speeds should be equal. technician b says that it normally has two yokes. which technician is correct?

100 pts. first person gets brainliest

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