Area of circle is πr^2
Here,
• π = 3.14
• d = 10
• so, r = d/2 = 10/2 = 5
substituting the values in the formula,
Area = 3.14 x 5 x 5
Area = 3.14 x 25
Area = 78.5 m^2
Hence, option (c) is correct.
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