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OpenStudy (anonymous):
The area (A) of a ring is A = π r2 - π s2. Find the area A if π = 3.14, r = 6 and s = 4. Answer A = 62.8 A = 197.192 A = 31.4 A = 6.28
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OpenStudy (anonymous):
@zordoloom
OpenStudy (anonymous):
pi(6)^2-pi(4)^2= your answer.
OpenStudy (anonymous):
I get the first one. 62.8=A
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