In a geometry class, the students were asked to prove the theory below by contradiction. Theorem: A triangle has at the most one obtuse angle.

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

1. Let two angles of a triangle be obtuse.

2. Let each angle of a triangle be acute.

3. Let only one angle of a triangle be obtuse.

4. Let two angles of a triangle be right.

Question

Skyla Kirby

Today, 01:26

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Answers (2)

Know the Answer?

Isabella Rowland · Answer 1

She would start will the assumption that two angles are obtuse.

Puck · Answer 2

A. she need to get as many angles that she can obtuse for it to be the biggest obtuse angle