Question

directions: classify each triangle by its angles and sides.
3.
7 in
123°
10 in
15 in
by angles
select
by sides
select

Explanation:

Step1: Classify by angles

A triangle with an angle greater than \(90^{\circ}\) is an obtuse triangle. Here, one angle is \(123^{\circ}>90^{\circ}\).

Step2: Classify by sides

A scalene triangle has all sides of different lengths. The side lengths are \(7\) in, \(10\) in, and \(15\) in, which are all different.

Answer:

By Angles: Obtuse triangle; By Sides: Scalene triangle