ISSLAVIEROWERNERGO
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KARANGAMERGO

Answer:

after half the circumference of her arms point A will be first in the performer's arm again

so she had revolve half.

2πr1/2πr2

r1/r2

2.25/18

EMILY5232GO

Answer:

After half, the circumference of her arms point A will be first in the performer's arm again  so she had revolve half.

2πr1/2πr2

r1/r2

     2.25/18

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