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Question:

Which of the following group is true for quadrilateral ABCD?

1−b,2−a,3−d,4−c

1−c,2−d,3−a,4−b

1−d,2−a,c−d,4−c

1−b,2−c,3−d,4−a

Solution:

The correct option is C
1−b,2−a,3−d,4−c
Diagonals of rhombus ABCD intersect at right angles. 1→b
Diagonals of parallelogram ABCD bisect each other. 2→a
Diagonals of rectangle ABCD are equal/congruent and bisect each other, 3→d
Diagonals of square ABCD bisect at right angles and are equal/congruent. 4→c