SOLUTION: Which is not a property of rectangles? A) All its sides are congruent B) the sum of angles 360 C) it is a quadrilateral D) it has opposite sides that are parallel E) it is

Question 832183: Which is not a property of rectangles?
A) All its sides are congruent
B) the sum of angles 360
C) it is a quadrilateral
D) it has opposite sides that are parallel
E) it is a polygon
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
If all sides of a rectangle are congruent, then we have a square (which is technically still a rectangle, but a rectangle can have 2 sets of incongruent sides)

So that's why the answer is A) All its sides are congruent
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