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10 February, 13:28

angle a and angle b are vertical angles. if m angle a = (7x + 28) and m angke b = (5x+22) then find the measure of angle a

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  1. 10 February, 14:49
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    vertical angles are equal

    7x+28 = 5x+22

    subtract 5x from each side

    2x + 28 = 22

    subtract28 from each side

    2x = -6

    x = - 3

    angle a

    7x+28

    7 (-3) + 28

    -21+28

    7

    Angle A = 7
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