4.05 Isosceles and Equilateral Triangles

• Introduction
• Learn
• Try It
• Task

Introduction

Consider the Egyptian Pyramids. They were built a long time ago and have stood the test of time. Let us take a deeper look into the properties of the triangles that are apparent in the construction of those pyramids.

Go to ACCESS - Base Angles. As you work through the activity, complete the questions on 4.05 Explore. Submit your completed work to the 4.05 Explore Dropbox.

 

Lesson Objectives

Following successful completion of this lesson, students will be able to... Identify and use the properties of Isosceles and equilateral triangles. Enduring Understandings The sum of the interior angles of any triangle is a constant. The above objectives correspond with the Alabama Course of Study: Geometry standards: Geometry Standards: 10.