| Tool: Definition of Perpendicular Lines |
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| Go to: | http://illuminations.nctm.org/ActivityDetail.aspx?id=50 (opens a new window) | ||
| Description: | Defines and illustrates perpendicular lines using an "interactive geometry dictionary" format. | ||
| Technology Type: | Java Applet | ||
| Author: | Catherine A. Gorini for NCTM Illuminations | ||
| Language: | English | ||
| Cost: | Does not require payment for use | ||
| Average Rating: |
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| Courses: | Math 7 | Intersecting, ||, & perp. | |
| Geometry | Perpendicular | ||
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