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14 June, 03:10

In a triangle the first angle is 10 degrees more than the second angle. The third angle is equal to the sum of first 2 angles. Find the value of all three angles

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  1. 14 June, 03:15
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    First angle = x+10

    Second angle = x

    Third angle = x+x+10 or 2x+10

    X+10+x+2x + 10=180

    4x+20=180

    Subtract 20 from both sides

    4x=160

    Divide both sides by 4

    X=40

    First angle = 50

    Second angle=40

    Third angle = 90
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