Question

classify the triangle using its angles, acute right obtuse

Explanation:

Step1: Recall angle - triangle classification rules

An acute - angled triangle has all angles less than 90°. A right - angled triangle has one angle equal to 90°. An obtuse - angled triangle has one angle greater than 90°.

Step2: Observe the given triangle

By visual inspection, all angles of the given triangle appear to be less than 90°.

Answer:

acute