Mathematics
A quadrilateral will be a square, if its:
each angle is 90°
each angle is 90° and the diagonals are equal
all the sides are equal
all the sides are equal and each angle is 90°
Quadrilaterals
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Answer
A quadrilateral will be a square if:
All the sides are equal ,
Each angle is right angle,
Diagonals are equal, and
Diagonals intersect at right angle.
Hence, option 4 is the correct option.
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