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Solve the following simultaneous equations

xenium
xenium asked
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Last Modified: 2016-03-12
hi, I'm breaking my head, i think the following is possible, 4 unknowns, 4 equations, can anyone help?

1) alpha + beta = 85 degrees
2) q * cos ( beta) = 6
3) cos(alpha) =3/q
4) b^2 = q^2 -9

Or perhaps one of the equations is derived from the others...

This is for some cardboard box design.

Thanks!
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