Posted by Katherine on Thursday, December 2, 2010 at 7:23pm.
a student said that all squares are rectangles, but not all squares are rhombuses.What was the error??

math  bobpursley, Thursday, December 2, 2010 at 7:28pm
not all squares are rhombuses? No square is a rhombus.
http://www.onelook.com/?w=rhombus&ls=a

math  Haley, Thursday, December 2, 2010 at 7:38pm
There not rectangles!

math  lesly, Thursday, December 2, 2010 at 7:45pm
i don't get it

math  bobpursley, Thursday, December 2, 2010 at 7:49pm
yes, Haley, squares are rectangles.

math  chilly, Tuesday, December 15, 2015 at 4:06pm
all rhombuses don't have right angles
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