∵PM⊥OB
∴∠OMP=90°
∵∠OME+∠OMP+∠PMF=180°
∴∠OME+∠PMF=90°
∴∠PMF是∠OME的余角
∵∠OME的补角比它的余角的两倍多15°
∴2(90°-∠OME)+15°=180°-∠OME
∴∠OME=15°
∴∠PMF=90°-15°=75°
如有疏漏,请见谅;如有疑惑,
∵PM⊥OB
∴∠OMP=90°
∵∠OME+∠OMP+∠PMF=180°
∴∠OME+∠PMF=90°
∴∠PMF是∠OME的余角
∵∠OME的补角比它的余角的两倍多15°
∴2(90°-∠OME)+15°=180°-∠OME
∴∠OME=15°
∴∠PMF=90°-15°=75°
如有疏漏,请见谅;如有疑惑,