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geometry

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a cable attach to the top of a tv antenna is 100 ft. if the cable is fasten to the ground 28 ft from the base of the antenna how tall is the antenna?

  • geometry -

    Use the Pythagorean theorem. Solve for b.

    a^2 + b^2 = c^2

    28^2 + b^2 = 100^2

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