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23 May, 02:49

If l||m and the measure of angle 7 is twice the measure of angle 2, then the measure of angle 7 is

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  1. 23 May, 03:08
    0
    If l||m and the measure of angle 7 is twice the measure of angle 2, then the measure of angle 7 is

    angles 2 and 7 equal 180 degrees. 180 = 2x + x

    180 = 3x

    x = 60

    angle 7 is twice x

    angle 7 = 120
  2. 23 May, 03:15
    0
    Step-by-step explanation:

    Given that l and m are two parallel lines and angle 7 and 2 are interior angles.

    Angle 7 = twice angle 2

    Let measure of angle 2 be x

    Then measure of angle 7 = 2x

    Since in parallel lines alternate angles are supplmenetary we have

    sum of angle 7 and angle 2 form 180 degrees

    i. e. x+2x = 180

    3x=180

    x=60

    Hence answer is angle 2 is 60 degrees and angle 7 is 120 degrees.
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