Answer:
A ≈ 5568.2 cm²
Explanation:
the area (A) of a circle is calculated as
A = πr² ( r is the radius )
here the diameter = 84.2 , then r = 84.2 ÷ 2 = 42.1 , then
A = π × 42.1² = π × 1772.41 ≈ 5568.2 cm² ( to 1 decimal place )
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