# 1. a) In a spherical triangle $P Z Y$, given $Z=70^{\circ} 27^{\prime}, P=114^{\circ} 54^{\prime}, Y=109^{\circ} 42^{\prime}$, Find $p$ and $z$.

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1. a) In a spherical triangle $P Z Y$, given $Z=70^{\circ} 27^{\prime}, P=114^{\circ} 54^{\prime}, Y=109^{\circ} 42^{\prime}$, Find $p$ and $z$.