The answer is C. 100 because the total measure of a quadrilateral is 360. When you add up the 3 interior angle measures, it adds up to 260. Then you subtract 360-260 to get 100 as the fourth angle measure. Hope that this helped!
Right triangles. There is a 90 degree angle on both
Hello
the answer to this is
650
becomes we subtract
88 from 738
738-88 and we get 650
so we get
650
hope this helps
