Answer to Question #23820 in Geometry for Joann

Question

If two angles are supplementary and the one of the angles are obtuse. Is this always, sometimes or never true?

Answer 1

Two angles aresupplementary if they add up to 180 degrees.

So they both can be 90 degrees.

90 degrees is not either acute or obtuse.

For the case considered above the statement is not true. However, in all other possible cases the statement will do.