Question

Which of the following is not a quadrilateral

Triangle

square

rectangle

trapezium

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Answer 1

Answer:

triangle

quadrilateral has 4 sides but triangle has only 3 sides

Step-by-step explanation:

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Answer 2

Answer:

Square, rectangle, trapezium they are quadrilateral.

quadrilateral is four sided closed figure and the sum of all angles of quadrilateral is 360 degree

Hence only triangle is not a quadrilateral

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