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Sagot :
Answer:
50.27
Step-by-step explanation:
the formula the find the are of a cricle is A = pie r^2
pi · 4^2
Answer:
4π
Step-by-step explanation:
A(Circle) = πr²
r = d/2 = 4/2 = 2
A(Circle) = π(2)² = 4π
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