Question

1. classify the triangle by its sides. 7\frac{1}{8} in. 7\frac{1}{8} in. 7\frac{1}{4} in. obtuse triangle scalene triangle isosceles triangle equilateral triangle

Explanation:

Step1: Recall triangle - side classification rules

A scalene triangle has no equal sides. An isosceles triangle has two equal sides. An equilateral triangle has three equal sides.

Step2: Analyze side - lengths of given triangle

The side - lengths of the triangle are $7\frac{1}{8}$ in, $7\frac{1}{8}$ in, and $7\frac{1}{4}$ in. Two of the sides have the same length ($7\frac{1}{8}$ in).

Answer:

isosceles triangle