Read each question. Then fill in the correct answer on the answer document provided by your teacher or on a sheet of paper.
Which assumption would you need to make in order to start an indirect proof of the statement?
Angle S is not an obtuse angle.
A ∠S is a right angle.
B ∠S is an obtuse angle.
C ∠S is an acute angle.
D ∠S is not an acute angle.