Ampere and Pythagoras

Two parallel wires carry 1 A1~\mbox{A} currents in unknown directions. The distance between the axes of the wires is 10 cm10~\mbox{cm}. What is the magnitude of the magnetic field BB in Teslas at a point P located 6 cm6~\mbox{cm} away from the axis of one of the wires and 8 cm8~\mbox{cm} away from the axis of the other wire?

Details and assumptions

μ04π=107 H/m\frac{\mu_{0}}{4\pi}= 10^{-7}~\mbox{H/m}

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