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maths

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what will be the 6th angle if the other 5 angles are 60,120,70,130,80?

  • maths -

    angles of a 6-gon add to (6-2)*180 = 720
    so, the missing angle is 720 - (60+120+70+130+80) = 260

    Hmmm? That's an unusual angle, indicating a non-convex polygon. Is there something missing here?

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