The answer depends on which tools are available to choose from. But since you have not bothered to share that crucial bit of information, I cannot provide a more useful answer.
Angle in triangle abc measure 27, 73 and 80, what kind of triangle is abc
angle with the greatest measure
it depends on the triangle
The missing angle measure is 100 degrees.
55°
Two angles of a triangle add up to 65°. What is the measure of the third angle?
It is a right angle triangle and the 3rd angle will measure 30 degrees
never
An obtuse triangle
magic
116
what ever