Construct a square, each of whose sides measures 6.4 cm.
STEP 1: At first draw a base line of 6.4 cm by scale.

STEP 2: Then draw a line perpendicular to AB from point B. And cut an arc of radius 6.4 cm from B. The intersection point is C.

STEP 3: Now, from A draw an arc of radius 6.4 cm and from C draw an arc of radius 6.4 cm intersecting at same point. That point is D. Join AD and CD.

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