## Geometry: Common Core (15th Edition)

A) $MQP-90$
Angle Addition Postulate: $m\angle MQV+m\angle VQP=m\angle MQP$ Substitute the given values: $90+m\angle VQP=MQP$ Subtract 90 from each side to solve for $m\angle VQP$ $90+m\angle VQP-90=MQP-90$ $m\angle VQP=MQP-90$