math
posted by Katherine .
a student said that all squares are rectangles, but not all squares are rhombuses.What was the error??

not all squares are rhombuses? No square is a rhombus.
http://www.onelook.com/?w=rhombus&ls=a 
There not rectangles!

i don't get it

yes, Haley, squares are rectangles.

all rhombuses don't have right angles