Question
Which of the following is not a quadrilateral?
Answer: Option B
:
B
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:
B
A quadrilateral is a polygon with four sides and four vertices.
A quadrilateral has four sides, four angles and four vertices. Square, trapezium and rhombus are quadrilaterals. A circle can be approximated as a polygon with infinite sides but it is not a polygon.
It is because a polygon must have straight edges (sides). A circle doesn't have straight sides.
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