Question

obtuse angled triangle definition

Answer 1

An acute triangle is a triangle with all three angles acute (less than 90°). An obtuse triangle is one with one obtuse angle (greater than 90°) and two acute angles. Since a triangle's angles must sum to 180°, no triangle can have more than one obtuse angle.

Answer 2

A triangle with one obtuse angle i.e. an angle more than 90° but less than 180°.