Question

Decide whether the statement is always, sometimes, or never true.


In a scalene triangle, the exterior angles are all obtuse angles.

Answer 1

always

Answer 2

they said that answer was incorrect

Answer 3

Sometimes.

http://en.wikipedia.org/wiki/Scalene_triangle#Types_of_triangles

Look at the example of scalene. The external angle of the obtuse angle is acute.

Answer 4

It would be true if it were an *acute* scalene.