Mathematical PracticesYou will make sense of problems and solve them and reason abstractly and quantitatively. 21st Century SkillsYou will use...
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Question

Interior Angles of Triangles

This activity will help you meet these educational goals:

  • Mathematical Practices—You will make sense of problems and solve them and reason abstractly and quantitatively.
  • 21st Century Skills—You will use critical-thinking and problem-solving skills.

Directions

Read the instructions for this self-checked activity. Type in your response to each question, and check your answers. At the end of the activity, write a brief evaluation of your work. 


Activity

You will use the GeoGebra geometry tool to study the interior angles of triangles. Go to interior angles of triangles,

(copy and paste in browser)

http://contentstore.ple.platoweb.com/content/GeoGebra.v5.0/A2.6_Interior_Angles_of_Triangles.html

and complete each step below. If you need help, follow these instructions for using GeoGebra.


Question 1

Record the measures of the interior angles of ∆ABC (αβ, and γ), and find their sum.


Question 2

Move vertices AB, and C to create a triangle of your choice. Record the measures of the interior angles αβ, and γ for three different triangles. Then find the sum of the angle measures for each triangle.


Question 3

How does the sum of the interior angles change as you move the vertices of ∆ABC to create a triangle of your choice?

Answered by Expert Tutors

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Step-by-step explanation

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Subject: Linear Algebra, Math
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