nspire ipad app--tutorial--the perpendicular bisectors of a triangle
DESCRIPTION
TRANSCRIPT
![Page 1: Nspire iPad App--Tutorial--The Perpendicular Bisectors of a Triangle](https://reader034.vdocuments.net/reader034/viewer/2022051817/547ebc67b4af9fa9478b45a6/html5/thumbnails/1.jpg)
TI-Nspire App Tutorial
The Perpendicular Bisectors of a Triangle
![Page 2: Nspire iPad App--Tutorial--The Perpendicular Bisectors of a Triangle](https://reader034.vdocuments.net/reader034/viewer/2022051817/547ebc67b4af9fa9478b45a6/html5/thumbnails/2.jpg)
Summary
• In this tutorial, you’ll be constructing the perpendicular bisectors of the sides of a triangle. The steps in the tutorial include:– Creating a Geometry Window.– Constructing a triangle.– Finding the midpoints of the three sides.– Finding the perpendicular bisectors of the three
sides.
![Page 3: Nspire iPad App--Tutorial--The Perpendicular Bisectors of a Triangle](https://reader034.vdocuments.net/reader034/viewer/2022051817/547ebc67b4af9fa9478b45a6/html5/thumbnails/3.jpg)
Create a Geometry Window
Click on the + tool to activate this menu.
![Page 4: Nspire iPad App--Tutorial--The Perpendicular Bisectors of a Triangle](https://reader034.vdocuments.net/reader034/viewer/2022051817/547ebc67b4af9fa9478b45a6/html5/thumbnails/4.jpg)
Create a Geometry Window
This is a blank Geometry Window.
![Page 5: Nspire iPad App--Tutorial--The Perpendicular Bisectors of a Triangle](https://reader034.vdocuments.net/reader034/viewer/2022051817/547ebc67b4af9fa9478b45a6/html5/thumbnails/5.jpg)
Construct a Triangle
Click on Menu and select Points & Lines > Segment.
![Page 6: Nspire iPad App--Tutorial--The Perpendicular Bisectors of a Triangle](https://reader034.vdocuments.net/reader034/viewer/2022051817/547ebc67b4af9fa9478b45a6/html5/thumbnails/6.jpg)
Construct a Triangle
Press once to define the left endpoint. Then press again to define the right endpoint. Make sure it’s horizontal.
![Page 7: Nspire iPad App--Tutorial--The Perpendicular Bisectors of a Triangle](https://reader034.vdocuments.net/reader034/viewer/2022051817/547ebc67b4af9fa9478b45a6/html5/thumbnails/7.jpg)
Construct a Triangle
Activate the Segment tool again.
![Page 8: Nspire iPad App--Tutorial--The Perpendicular Bisectors of a Triangle](https://reader034.vdocuments.net/reader034/viewer/2022051817/547ebc67b4af9fa9478b45a6/html5/thumbnails/8.jpg)
Construct a Triangle
Construct the second side.
![Page 9: Nspire iPad App--Tutorial--The Perpendicular Bisectors of a Triangle](https://reader034.vdocuments.net/reader034/viewer/2022051817/547ebc67b4af9fa9478b45a6/html5/thumbnails/9.jpg)
Construct a Triangle
Activate the Segment tool again.
![Page 10: Nspire iPad App--Tutorial--The Perpendicular Bisectors of a Triangle](https://reader034.vdocuments.net/reader034/viewer/2022051817/547ebc67b4af9fa9478b45a6/html5/thumbnails/10.jpg)
Construct a Triangle
Construct the third side.
![Page 11: Nspire iPad App--Tutorial--The Perpendicular Bisectors of a Triangle](https://reader034.vdocuments.net/reader034/viewer/2022051817/547ebc67b4af9fa9478b45a6/html5/thumbnails/11.jpg)
Find the Midpoint of Each Side
Press Menu and click Tools > Measurement > Midpoint.
![Page 12: Nspire iPad App--Tutorial--The Perpendicular Bisectors of a Triangle](https://reader034.vdocuments.net/reader034/viewer/2022051817/547ebc67b4af9fa9478b45a6/html5/thumbnails/12.jpg)
Find the Midpoint of Each Side
Press on a side to create the midpoint.
![Page 13: Nspire iPad App--Tutorial--The Perpendicular Bisectors of a Triangle](https://reader034.vdocuments.net/reader034/viewer/2022051817/547ebc67b4af9fa9478b45a6/html5/thumbnails/13.jpg)
Find the Midpoint of Each Side
Activate the Midpoint tool again.
![Page 14: Nspire iPad App--Tutorial--The Perpendicular Bisectors of a Triangle](https://reader034.vdocuments.net/reader034/viewer/2022051817/547ebc67b4af9fa9478b45a6/html5/thumbnails/14.jpg)
Find the Midpoint of Each Side
Press on the second side to create the midpoint.
![Page 15: Nspire iPad App--Tutorial--The Perpendicular Bisectors of a Triangle](https://reader034.vdocuments.net/reader034/viewer/2022051817/547ebc67b4af9fa9478b45a6/html5/thumbnails/15.jpg)
Find the Midpoint of Each Side
Activate the Midpoint tool again.
![Page 16: Nspire iPad App--Tutorial--The Perpendicular Bisectors of a Triangle](https://reader034.vdocuments.net/reader034/viewer/2022051817/547ebc67b4af9fa9478b45a6/html5/thumbnails/16.jpg)
Find the Midpoint of Each Side
Press on the third side to create the midpoint.
![Page 17: Nspire iPad App--Tutorial--The Perpendicular Bisectors of a Triangle](https://reader034.vdocuments.net/reader034/viewer/2022051817/547ebc67b4af9fa9478b45a6/html5/thumbnails/17.jpg)
Construct a Perpendicular Line
Click on Menu and press Perpendicular.
![Page 18: Nspire iPad App--Tutorial--The Perpendicular Bisectors of a Triangle](https://reader034.vdocuments.net/reader034/viewer/2022051817/547ebc67b4af9fa9478b45a6/html5/thumbnails/18.jpg)
Construct a Perpendicular Line
Press on the Midpoint of one of the sides. You can also extend the perpendicular line by clicking and dragging it.
![Page 19: Nspire iPad App--Tutorial--The Perpendicular Bisectors of a Triangle](https://reader034.vdocuments.net/reader034/viewer/2022051817/547ebc67b4af9fa9478b45a6/html5/thumbnails/19.jpg)
Construct a Perpendicular Line
Select the Perpendicular tool again.
![Page 20: Nspire iPad App--Tutorial--The Perpendicular Bisectors of a Triangle](https://reader034.vdocuments.net/reader034/viewer/2022051817/547ebc67b4af9fa9478b45a6/html5/thumbnails/20.jpg)
Construct a Perpendicular Line
Press on the Midpoint of the second side.
![Page 21: Nspire iPad App--Tutorial--The Perpendicular Bisectors of a Triangle](https://reader034.vdocuments.net/reader034/viewer/2022051817/547ebc67b4af9fa9478b45a6/html5/thumbnails/21.jpg)
Construct a Perpendicular Line
Select the Perpendicular tool again.
![Page 22: Nspire iPad App--Tutorial--The Perpendicular Bisectors of a Triangle](https://reader034.vdocuments.net/reader034/viewer/2022051817/547ebc67b4af9fa9478b45a6/html5/thumbnails/22.jpg)
Construct a Perpendicular Line
Press on the Midpoint of the third side. Notice that all three bisectors meet at one point.
![Page 23: Nspire iPad App--Tutorial--The Perpendicular Bisectors of a Triangle](https://reader034.vdocuments.net/reader034/viewer/2022051817/547ebc67b4af9fa9478b45a6/html5/thumbnails/23.jpg)
Construct the Intersection Point
Press on Menu and select Tools > Points & Lines > Point.
![Page 24: Nspire iPad App--Tutorial--The Perpendicular Bisectors of a Triangle](https://reader034.vdocuments.net/reader034/viewer/2022051817/547ebc67b4af9fa9478b45a6/html5/thumbnails/24.jpg)
Construct the Intersection Point
Press on two of the Perpendicular Bisectors to create the intersection point.
![Page 25: Nspire iPad App--Tutorial--The Perpendicular Bisectors of a Triangle](https://reader034.vdocuments.net/reader034/viewer/2022051817/547ebc67b4af9fa9478b45a6/html5/thumbnails/25.jpg)
Manipulate the Triangle
Manipulate the vertices to change the triangle. You’ll see the bisectors intersect at one point.