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# A tank is filled with an unknown liquid x. An observer looking at an angle of 70.0 o can just see the point, E, in the middle of the bottom. The tank...

**A tank is filled with an unknown liquid x. An observer looking at an angle of 70.0****o ****can just see the point, E, in the middle of the bottom. The tank is 120 cm long and 40.0 cm high. The value of θ****(in degrees) is **