True or false i am a obtuse triangle. i have a 120 degree angle, a 60 degree angle and a 20 degree angle.

Sorry i didn’t know i had

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.