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6 July, 13:17

Triangle ghi has the angle measures of g = (2x + 5) °, h = (6x - 10) °, and i = (x + 5) °. what is the actual measurement of angle h?

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  1. 6 July, 13:38
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    Sum of all the angles in a triangle = 180°

    (2x + 5) + (6x - 10) + (x + 5) = 180

    2x + 5 + 6x - 10 + x + 5 = 180

    Combine like terms:

    9x = 180

    Divide by 9:

    x = 20

    Answer: x = 20°
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