# Coincide

Pronunciation: /ˌkoʊ.ɪnˈsaɪd/ Explain

 Click on the blue points and drag them to change the figure. Make the two points coincidental, then not coincidental. Manipulative 1 - Coincidental Points Created with GeoGebra.

 Click on the blue points and drag them to change the figure. Make the two lines coincidental, then not coincidental. Manipulative 2 - Coincidental Lines Created with GeoGebra.

To coincide means to occupy the same place. Two lines coincide if they share all points. Two intersecting lines coincide at the point of intersection.

#### Related Words

Coincidental: Occupying the same place. Example: Points A and B are coincidental.

### References

1. McAdams, David E.. All Math Words Dictionary, coincide. 2nd Classroom edition 20150108-4799968. pg 35. Life is a Story Problem LLC. January 8, 2015. Buy the book

McAdams, David E. Coincide. 12/21/2018. All Math Words Encyclopedia. Life is a Story Problem LLC. https://www.allmathwords.org/en/c/coincide.html.

### Revision History

12/21/2018: Reviewed and corrected IPA pronunication. (McAdams, David E.)