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geometry

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I'm stuck on this question please help.
"Lines p and q intersect to form adjacent angles 1 and 2.If angle 1=3x+18 and angle 2=-8y-70,find the values of x and y so that p is perpendicular to q.

  • geometry -

    each angle is 90 degrees if the lines are perpendicular. So,

    3x+18 = 90
    x = 24

    -8y-70 = 90
    y = -20

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