Q.

Which one of the following is not a property of a rectangle?

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a

The sum of all the interior angles is equal to 180°.

b

The diagonals bisect each other. 

c

A rectangle with side lengths a and b has the perimeter as 2a+2b units. 

d

4) A rectangle is a quadrilateral. 

answer is A.

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Detailed Solution

The Sum of all interior angles of a quadrilateral is 360° and the rectangle is a quadrilateral. 

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