Question

Classify the following triangle. check all that apply.

Answer 1

I would go for Obtuse from the 120° angle, Acute from the either the 20° and 40°, and scalene since all angles are unequal

Answer 2

The triangle is obtuse because it has an angle greater than 90 degrees.
It is also scalene because all side lengths are different.
So. Obtuse scalene.