Question

classify the triangle by angles and sides

Explanation:

Step1: Classify by sides

A triangle with two equal sides is isosceles. Here, two sides are \(15\) in.

Step2: Classify by angles

An angle greater than \(90^{\circ}\) is obtuse. The given angle \(118^{\circ}>90^{\circ}\).

Answer:

Obtuse Isosceles