Question May 11, 8:46:57 AM
State if each triangle is acute, obtuse, or right.
9, 12, 15
acute
obtuse
Right

The first one, i believe, would be correct. all the others have one thing in common, and that's that they have repeating numbers. in the second one, x and y have repeating 6's and 3's, and in the third, x and y have repeating 6's as well. in the last one, there are repeating 3's. the first one has no repeating numbers.

X=y+4 is the answe