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7 November, 19:11

Two angles of a triangle measure 12° and 40°.

What is the measure of the third angle of the triangle?

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  1. 7 November, 21:50
    0
    128

    Step-by-step explanation:

    The sum of angles in the triangle is 180 degrees

    12 + 40 + x = 180

    52 + x = 180

    x = 180 - 52 = 128 degrees

    (x is the third angle of the triangle)
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