Which set of angles shows an obtuse triangle?

seventy-one degrees, thirty-six degrees, seventy-three degrees

seventy-three degrees, eighty-nine degrees, eighteen degrees

ninety degrees, sixty-four degrees, twenty-six degrees

fifteen degrees, one hundred twelve degrees, fifty-three degrees

Question

Which set of angles shows an obtuse triangle?

 seventy-one degrees, thirty-six degrees, seventy-three degrees

 seventy-three degrees, eighty-nine degrees, eighteen degrees

 ninety degrees, sixty-four degrees, twenty-six degrees

 fifteen degrees, one hundred twelve degrees, fifty-three degrees

anonymous · Answer

c

anonymous · Answer

The fourth set of angles. It has 112 degrees, which is obtuse.

ttp · Answer

Which one?

anonymous · Answer

I'm sure the fourth set is the answer.