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4 January, 19:34

Grace draws a straight angle. THen she draws a ray to divide the angle into two smaller angles. If one angle measures 135 degrees, what is the measure of the other angle?

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  1. 4 January, 20:00
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    45

    Step-by-step explanation:

    A straight line equals 180 degrees

    If we split it into two angles x and y, they add up to 180 degrees

    x+y = 180

    Let x = 135 for one angle

    135+y = 180

    Subtract 135 from each side

    135-135 + y = 180-135

    y = 45

    The other angle is 45
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