Enroll in this course to get access You don't currently have access to this contentYou don't currently have access to this contentYou don't currently have access to this contentYou don't currently have access to this contentYou don't currently have access to this contentYou don't currently have access to this content

Login

Accessing this course requires a login. Please enter your credentials below!

Username or Email Address

Password

Remember Me

Lost Your Password?

Register

Don't have an account? Register one!

Register an Account

Username

Email

Registration confirmation will be emailed to you.

Skip to content

Dashboard
Account
Contact Us
Course Catalog
Login

Dashboard
Account
Contact Us
Course Catalog
Login

Start your 4 weeks of free learning

Basic Properties of Triangles

Elementary Math
Elementary Math – Advanced
Elementary Science
Pre Algebra
Algebra 1
Stories
American History

Elementary Math
Elementary Math – Advanced
Elementary Science
Pre Algebra
Algebra 1
Stories
American History

Basic Properties of Triangles

Current Status

Not Enrolled

Price

Membership ($9.99/month)

Get Started

Take this Course

Course Content

Expand All

Classification of Triangles 5 Lessons

Expand

Unit Content

0% Complete 0/5 Steps

Define parts of a triangle

Classify triangles by sides

Classify triangles by angles

Summary of types of triangles

Practice – Name the triangles

Exterior Angle Property of Triangles-Exterior angle is equal to sum of the remote interior angles 3 Lessons

Expand

Unit Content

0% Complete 0/3 Steps

What is the exterior angle property of triangles

Proof of the exterior angle property of triangles

Practice – Use the exterior angle property to solve a few geometric problems

Interior Angle Property of Triangles-Sum of Interior angles is 180 degree 4 Lessons

Expand

Unit Content

0% Complete 0/4 Steps

What is the interior angle property of triangles

Proof 1 – the interior angle property of triangles

Proof 2 – the interior angle property of triangles

Practice – Solve geometric problems using triangle properties

Property of Sides of Triangles-Sum of 2 sides must be greater than the third side 2 Lessons

Expand

Unit Content

0% Complete 0/2 Steps

What is the property of sides of triangles

Practice – Solve geometric problems using triangle side property

Special Triangles 2 Lessons

Expand

Unit Content

0% Complete 0/2 Steps

Every angle is 60 degree in an equilateral trianlge

Base angles are congruent in an isosceles triangle

Pythagorean Theorem 5 Lessons

Expand

Unit Content

0% Complete 0/5 Steps

What is Pythagorean Theorem?

Example – How to use Pythagorean theorem

Practice 1 – Use Pythagorean theorem to solve geometric problems

Practice 2 – Use Pythagorean theorem to solve geometric problems

Practice 3 – Use Pythagorean theorem to solve geometric problems

Copyright © 2025 PaperBoat Academy

Scroll to Top