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24 July, 18:25

A quadrilateral has angles that measure 56°,97°,136° what is the measure of the fourth angle

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  1. 24 July, 19:09
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    The interior angles of a quadrilateral add up to 360 degrees, always.

    To find the missing angle, we simply need to add the angles we know, then subtract from 360.

    56 + 97 + 136 = 289

    360 - 289 = 71

    The missing angle is equal to 71 degrees.
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