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max2010maxim [7]
3 years ago
15

Area of a circle with a diameter of 4cm

Mathematics
2 answers:
fenix001 [56]3 years ago
8 0

Answer:

area of a circle with a diameter of 4cm=π(d/2)²

=π(4/2)²=π2²=4π cm ² is your answer or 4×3.16=12.48 cm²

makkiz [27]3 years ago
7 0

Answer:

A≈12.57cm²

Step-by-step explanation:

A=1

4πd2=1

4·π·42≈12.56637cm²

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