Q32 of 58 Page 12

Let F1 be the set of parallelograms, F2 the set of rectangles, F3 the set of rhombuses, F4 the set of squares and F5 the set of trapeziums in a plane. Then F1 may be equal to

We know,


Every rectangle, square and rhombus is a parallelogram


But, no trapezium is a paralleogrm


Hence, F1 = F2∪ F3∪ F4∪ F1

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