A Square has 4 square (90 degree) corners.
Five corners in a square prism
5 coners
A rectangle has four coners.
None
A rhombus or a kite are two 4 sided quadrilaterals that have no square corners.
8
Whow many coners are dice
A square and a rectangle both have 4 right angle corners.
3 corners
in brocoli
4 sides 4 interior angles 4 corners
yes