Question

classify the triangle using its angles. acute right obtuse

Explanation:

Step1: Recall triangle angle - type definitions

An acute triangle has all angles less than \(90^{\circ}\). A right triangle has one angle equal to \(90^{\circ}\). An obtuse triangle has one angle greater than \(90^{\circ}\).

Step2: Identify the angle in the triangle

The given triangle has a \(90^{\circ}\) (right - angle, indicated by the small square).

Answer:

right