Which statement is true? A A right triangle always has two acute angles.
B An obtuse triangle always has two obtuse angles.
C An acute triangle always has a right angle.
D A triangle always has an obtuse angle

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?