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The angle of a triangle r …

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The angle of a triangle r in a.p .,the least being half of the greatest. Find the angles.

    • Posted by Mahi ✌?? 6 years, 10 months ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    Ram Kushwah 6 years, 10 months ago

    Let the angles are a-d,a and a+d

    then a-d +a a+d=180

    3a=180

    a=60

    Also

    a-d=1/2(a+d)

    2a-2d=a+d

    a=3d ,d=a/3=60/3=20

    So the angles are 40,60 and 80

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