Question

c) scalene classify each triangle by its angles. 3) a) obtuse b) acute c) right d) equiangular

Explanation:

Step1: Recall angle - type definitions

An acute triangle has all angles less than 90°. An obtuse triangle has one angle greater than 90°. A right - triangle has one angle equal to 90°. An equiangular triangle has all angles equal (each 60°).

Step2: Analyze the given triangle

The angles of the triangle are all less than 90°.

Answer:

B) acute