+
Properties of Equilateral Triangles

Properties of Equilateral Triangles

Author: Alex G
Description:

By the end of this packet you should be able to:
* Define an equilateral triangle
* Use the concept of equiangularity to find missing angles in a triangle.

This packet presents the idea of equilateral triangles and presents some challenging problems related to equilateral triangles.

Cover art of a wagon with a triangular hazard sign was taken from the Morgue File http://www.morguefile.com website which grants permission for use of its images.

(more)
See More

Try Our College Algebra Course. For FREE.

Sophia’s self-paced online courses are a great way to save time and money as you earn credits eligible for transfer to over 2,000 colleges and universities.*

Begin Free Trial
No credit card required

25 Sophia partners guarantee credit transfer.

221 Institutions have accepted or given pre-approval for credit transfer.

* The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 20 of Sophia’s online courses. More than 2,000 colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.

Tutorial

Equilateral Triangles: Vocabulary and Concepts

Everything you ever wanted to know about equilateral triangles but were afraid to ask!

Types of Problems

The videos cover three kinds of problems that you can solve using the facts about equilateral triangles.  The problems are below.  Attempt them on your own before watching the video solutions.

 

Example 1)

Example 1

Example 2)

Example 2

Example 3)

Example 3

Example 1

Example 2

Example 3