# Tilted Cup of Water

Geometry Level 3

A cup of water in the shape of a conical frustrum is tilted as shown. The base diameter is 5 cm, and the top diameter is 9 cm. The slant height is 12 cm. If the water touches the rim of the cup on one end and is 7 cm from the base on the other, then by what angle $$\theta$$ (in degrees) is the cup turned from the upright position?

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