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A. 4 m
B. 5 m
C. 6 m
D. 8 m

A. 4 m B. 5 m C. 6 m D. 8 m-example-1
User Hemisphera
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1 Answer

3 votes

Answer:

A. 4m

Explanation:

r= sqrt (64pi)/(pi*4) = 4m

User Psychoslave
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