Geometry, What is the measure of DFH?

1 Answer

  • There is a well-known theorem that the angle between two secants is half the difference between the intercepted arcs. In this case

    m<DFH = 1/2 (m arc DH - m arc EG)

    = 1/2 (133 - 47)

    = 1/2 (86)

    = 43

    So the answer is C. 43

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