Samara89 Samara89

29-05-2020
Mathematics

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Valerievalvax Valerievalvax

29-05-2020

Answer:

The radius is 7.5cm the d=15cm

Step-by-step explanation:

A=r²π

C=2rπ

A=7.5cm²×3,14

A= 176,626cm²

C=2×7,5×3,14

C= 47.1cm

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