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13 October, 02:51

On a piece of paper, use a protractor to construct a triangle with angle measures of 30° and 50º. What is the measure of the third angle?

1. 60°

2. 80°

3. 100°

4. 180°

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Answers (2)
  1. 13 October, 03:17
    0
    Sum of the angles of a triangle is 180 degrees.
  2. 13 October, 03:18
    0
    100

    50+30=80 you need 180 to have a full triangle so it would be 100
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