Question

which is the best classification for the triangle shown here? right triangle, obtuse triangle, none of these, acute triangle

Explanation:

Step1: Recall triangle - type definitions

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

Step2: Observe the given triangle

The given triangle has one angle that is clearly greater than 90°.

Answer:

B. Obtuse triangle