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5 votes
Help help help help help helo help

Help help help help help helo help-example-1

1 Answer

3 votes

Answer:

50.27

452.39

0.79

Explanation:

A=πr2=π·42≈50.26548

A=πr2=π·122≈452.38934

A=πr2=π·0.52≈0.7854

answered
User Vishal Biyani
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