EXPLAINATION: π.r² = 3850 cm²
⇒ r² = 3850/π = 3850/3,14 ≈ 1225.5
⇒ r = √ 1225.5 ≈ 35 cm
P/s: π ≈ 3.14
ANSWER: r = 35 cm
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Answer is 35cm hope it will help you .
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