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MATH / Triangle PAB and square ABCD are in perpendicular planes. Given that PA=3, PB=4, and AB=5, what is PD? [asy] size(100); defaultpen(linewidth(0.8)); dotfactor=4; draw((0,-0.5)--(0,3… · Discussion

Discussing Triangle PAB and square ABCD are in perpendicular planes. Given that PA=3, PB=4, and AB=5, what is PD? [asy] size(100); defaultpen(linewidth(0.8)); dotfactor=4; draw((0,-0.5)--(0,3… · MATH

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