math last set up

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To secure a 618 meter radio tower against high winds, guy wires are attached to a ring 10 meters from the top of the tower. Each wire is anchored 90 meters from the base of the tower. Find the measure of the angle the wire makes with the ground. Round your answer to the nearest tenth. anybody know how to set this up?

  • math last set up -

    The angle is θ, where

    tanθ = (618-10)/90

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