Which set of numbers would equal an obtuse triangle? explain why
a. 5,11,12
b. 5,12,13
c. 6,6,14
d. 7,12,14

This may help In an obtuse triangle, one angle is greater than a right angle—it is more than 90 degrees. An obtuse triangle may be isosceles or scalene. In an acute triangle, all angles are less than right angles—each one is less than 90 degrees. An acute triangle may be equilateral, isosceles, or scalene.

There is no association.

Yes the slope to this is -5