picture: http://i121.photobucket.com/albums/o...oryz/002-8.jpg answers: a.) 72 b.) 63 c.) 56 d.) 49
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Because it's got a circle inscribed in it, you can get the results: XT = XS YS = YU UZ = 79 - YU TZ = UZ XZ = XT + TZ Take it from there.
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