Question
Construct a square, each of whose sides measures $6.4\ cm.$

Answer

All the sides of a square are equal.

Steps of construction:
Step 1: Draw $AB = 6.4\ cm.$
Step 2: Make $\angle\text{A}=90^\circ$ $\angle\text{B}=90^\circ$
Step 3: Draw an arc of length $6.4\ cm$ from point $A$ and name that point as $D.$​​​​​​​
Step 4: Draw an arc of length $6.4\ cm$ from point $B$ and name that point as $C.$​​​​​​​
Step 5: Join $C$ and $D$. ​Thus, $ABCD$ is a required square.

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