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27 August, 00:55

A triangle has angles measuring 15° and 45°. What is the measurement of the triangle's third angle?

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Answers (2)
  1. 27 August, 01:28
    0
    First you need to know that the internal angles of a triangle always equals 180°. Therefore:

    15+45 = 90°

    Then since the angles should equal 180, you do:

    180-90=90

    So the missing angle equals 90°
  2. 27 August, 02:08
    0
    120 degrees

    Step-by-step explanation:

    180-15-45=120
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