1.

The figure formed by joining the midpoints of the sides of a quadrilateral ABCD, taken in order, is a square, only if (a) ABCD is a rhombus (b) diagonals of ABCD are equal (c) diagonals of ABCD are perpendicular (d) diagonals of ABCD are equal and perpendicular

Answer»

The figure formed by joining the midpoints of the sides of a quadrilateral ABCD, taken in order, is a square, only if

(a) ABCD is a rhombus

(b) diagonals of ABCD are equal

(c) diagonals of ABCD are perpendicular

(d) diagonals of ABCD are equal and perpendicular



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