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Answer:
The area of circle is 3.14 km²
Step-by-step explanation:
For a given Circle
radius (r) = 1 km
Now, Area of circle
A = πr²
A = 3.14 × (1)²
A = 3.14 × 1
A = 3.14 km²
Thus, The area of circle is 3.14 km²
-TheUnknownScientist 72