|Activity: Area and perimeter of a square (Coordinate Geometry) - Math Open Reference||
|Go to:||http://www.mathopenref.com/coordsquareareaperim.html (opens a new window)|
An interactive applet and associated web page showing how to find the area and perimeter of a square from the coordinates of its vertices. The square can be either parallel to the axes or rotated.
The grid and coordinates can be turned on and off. The area and perimeter calculation can be turned off to permit class exercises and then turned back on the verify the answers. The applet can be printed as it appears on the screen to make handouts.
The web page has a full description of the method for determining area and perimeter, a worked example and has links to other pages relating to coordinate geometry.
Applet can be enlarged to full screen size for use with a classroom projector. After use in the classroom, student can access it again from any web browser at home or in the library with no login required.
This resource is a component of the Math Open Reference Interactive Geometry textbook project at http://www.mathopenref.com.
|Cost:||Does not require payment for use|
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|Courses:||Geometry||Coordinate geometry, Square, Perimeter, area, and volume|