The area of a circle diameter =28
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Step-by-step explanation:
Area of a circle in terms of radius:
Area = π·r2 = 3.14·142 = 615.8 square cm(*)
Area of a circle in terms of diameter:
Area = π·(d
2
)2 = 3.14·(28
2
)2 = 3.14·(14)2 = 615.8 square cm(*)
Area of a circle in terms of circumference:
Area = C2
4π
= 87.962
4π
= 7736.96
(4·3.14)
= 7736.96
12.56
= 615.8 square cm(*)
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