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7 March, 20:50

which of the following could not be the measures of the angles of a triangle? A. 30^o - 120^o - 30^o B. 40^o - 40^o - 100^o C. 60^o - 60^o - 60^o D. 70^o - 50^o - 70^o

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  1. 7 March, 23:11
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    D. 70^o - 50^o - 70^o

    Step-by-step explanation:

    The 3 angles of a triangle add to 180 degrees

    A. 30^o - 120^o - 30^o = 30+120+30 = 180

    B. 40^o - 40^o - 100^o = 40+40+100 = 180

    C. 60^o - 60^o - 60^o = 60+60+60 = 180

    D. 70^o - 50^o - 70^o = 70+50+70 = 190 not a triangle
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Home » Mathematics » which of the following could not be the measures of the angles of a triangle? A. 30^o - 120^o - 30^o B. 40^o - 40^o - 100^o C. 60^o - 60^o - 60^o D. 70^o - 50^o - 70^o
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