Question

Which set of three angles could be the three angles of a triangle?

A) twenty-five degrees, twenty-five degrees, twenty-five degrees
B) fifty degrees, fifty degrees, fifty degrees
C) sixty degrees, sixty degrees, sixty degrees
D) one hundred degrees, one hundred degrees, one hundred degrees

Answer 1

The sum of the internal angles of a triangle has to be equal to 180 degrees, therefore the answer is C (3x60=180)