In circle L, Segment J K is a tangent and Segment P M is a diameter. Find the measure of arc MN. Show all work.?

In circle L, Segment J K is a tangent and Segment P M is a diameter. Find the measure of arc MN. Show all work.

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  • 8 months ago

    (1/2) [(180 - 3b) - 3b] = 20

    (1/2)(180 - 6b) = 20

    90 - 3b = 20

    70 = 3b

    44 = 1/2 (3b + 2a)

    44 = 1/2 (70 + 2a)

    88 = 70 + 2a

    18 = 2a = measure arc MN

    check and see what you think

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