In a geometry class, the students were asked to prove the theorem below by contradiction.

Theorem: In a triangle, there cannot be more than one right angle.

Heather begins the proof with an assumption. Which statement will she most likely use as an assumption?

Let only one angle of a triangle be 90°.

Let two angles of a triangle be 90°.

Let each angle of a triangle be less than 90°.

Let each angle of a triangle be greater than 90°.

Question

In a geometry class, the students were asked to prove the theorem below by contradiction. 

Theorem: In a triangle, there cannot be more than one right angle.

Heather begins the proof with an assumption.  Which statement will she most likely use as an assumption?

 Let only one angle of a triangle be 90°.

 Let two angles of a triangle be 90°.

 Let each angle of a triangle be less than 90°.

 Let each angle of a triangle be greater than 90°.

mertsj · Answer

Let two angles of a triangle be 90 degrees.

anonymous · Answer

tHANK YOU! Cap lock