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    Find the probability of a dart landing in one of three plane figures in a rectangular board.

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    On a 12 by 20 rectangular board, three plane figures are drawn: a square 6 on a side , a circle with radius 4 and an equilateral triangle that is 8 on a side. If a dart is thrown that does hit the large rectangle what is the probabillity that it hits inside one of the three plane figures? (Landing on the side of a figure counts as being in the figure). Leave as a percent.

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    https://brainmass.com/math/probability/find-the-probability-of-a-dart-landing-in-one-of-three-plane-figures-in-a-rectangular-board-34911

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    Hello and thank you for posting your question to Brainmass!

    The area of the board is Sb=22x20=240
    The probability is the ratio of the specific shape's are to the total area of the board.

    Think of it this way:
    Divid the board to n little square with the same areas. Each square has the same probability to get hit:

    P=1/n

    But in every ...

    Solution Summary

    The probability of a dart landing in one of three plane figures in a rectangular board is found.

    $2.49

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