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18 January, 14:49

If a°, 30° and 2a° are the angle of triangle find a°

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  1. 18 January, 15:29
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    a=50

    Step-by-step explanation:

    a + 2a + 30 = 180

    3a + 30 = 180

    (-150 from both sides)

    3a = 150

    (Divide by 3 from both sides)

    a = 50
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