Q2)All of the above.A quadrilateral is a shape with 4 sides,which is true for both squares and parallelograms.Squares and parallelogram have sides that are parallel to the opposite as any quadrilateral without both pairs of sides being parallel is a trapezium.The only quadrilateral with just one pair of parallel lines is the trapezium.Any quadrilateral without any parallel lines is not a quadrilateral.
Q5)Parallelograms have the top and bottom pair shorter than the left and right pair.Sides of opposite sides also are parallel in a parallelogram.If the shape is slanted and meets the following requirements,the shape is a parallelogram.
Good collaborative effort from both of you. If A is a member of B does not necessarily mean that B is a member if A. Check out the term 'subset' and use it in your argument.
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