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21 January, 19:25

The measures of two angles in this acute triangle are 78° and 35°.

What is the measure of the third angle?

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Answers (2)
  1. 21 January, 20:21
    0
    67 because the total angle of a triangle is 180 * so you add 78 and 35 and subtract 180 from your total
  2. 21 January, 22:00
    0
    First! we must remember that a triangle always equals 180°

    If we have two angles then all we have to do is subtract.

    180° - 78° - 35° = 67°

    So your missing angle is 67°
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