Devin's bathroom measures 6 feet by 10 feet. He wants to cover the floor with square tiles. The sides of the tiles are 6 inches. How many tiles will Devin need?

Posted by Robert Roman. 

What are the coordinates of points (4,3) and (7,3) when they are reflected across the x-axis?

Posted by Mikolaj from my 3rd period class.

The length of a rectangular field is 75 meters. Its width is 15 meters. Mr. Contreras ran around the track 3 times. How far did he run?

Posted by Robert Roman.  Thank you Roberto.

Reflections in nature. If you find cool reflections on nature, share them here. Click on the links below to see more pictures.

Pic 1Pic 2Pic 3Pic 4

Thanks Robert and Mohamed!

An isometry is a transformation that preserves lengths, angle measure, parallel lines and distance between points. True or False?

Posted by Claudia from my 3rd period class.

A diagram on Isometries, click the link below to see. If you have other examples, post them here. Thank you Gaby.

Isometries

What are the basic three rigid transformations? Give an example of each.