57.
Draw a square ABCD such that AB = 6.3 cm.
Steps of construction:I. Draw
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II. At B, draw
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such that

III. From
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cut off BC = 6.3 cm.
IV. With centre C and radius = 6.3 cm, draw an arc.
V. With centre A and radius = 6.3 cm, draw another arc to intersect the previous arc at D.
VI. Join DA and CD.
Thus, ABCD is the required square.
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