1.2.3 Equilateral, isosceles and scalene

Introduction

A triangle with 3 sides that are equal are called equilateral triangle, symbolized as:


A triangle with 2 sides that are equal are called an isosceles triangle, symbolized as:


“Hey Jamie, you squished the triangle!” Mandy said.

“That’s the point,” Jamie replied, “2 sides are still the same, but 1 is not anymore!”

“I still think it was mean  Q(” Mandy commented.

A triangle with no sides that are equal are called a scalene triangle, symbolized as: