Question

an ---------- triangle is a triangle with one obtuse angle and two acute angles. right triangle scalene triangle obtuse triangle none of these

Explanation:

A triangle defined by having one obtuse (greater than 90°) angle and two acute (less than 90°) angles is classified by its angle type. A right triangle has one 90° angle, a scalene triangle is defined by side lengths (no equal sides), while an obtuse triangle matches the given angle description.

Answer:

Obtuse Triangle