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kirill115 [55]
3 years ago
5

Help? I need help understanding this and answering this please let me know Sc: dalilahmini3

Mathematics
1 answer:
Fantom [35]3 years ago
6 0

Answer:

r is 3 ft

Step-by-step explanation:

A=r²π

A=9π

9π=r²π

9=r²

√9=r

3=r

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