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8 April, 18:40

Three of the angles of a quadrilateral are 120° 48° and 92° what is the size of the fourth angle

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  1. 8 April, 18:49
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    360-120-48-92=100°

    Each quadrilateral has 360 ° so simply deduct the angles to get your result.
  2. 8 April, 18:58
    0
    Hi there! A quadrilateral has angles that add up to 360°. So we have the measurements of the first three angles. We will look for the 4th angle by solving. Let's add the totals of the first 3 angles. 120 + 48 + 92 is 260. Now, we subtract that number from 360. 360 - 260 is 100. There. The measurement of the fourth angle is 100°.
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