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johnnn:
https://prnt.sc/mwx7q4
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johnnn:
@Hero
Hero:
@johnnn, Do you remember the formula for surface area of a sphere?
johnnn:
A=4πr2
johnnn:
is the answer 12.56?
johnnn:
A=4πr2=4·π·12≈12.56
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Hero:
Correct
johnnn:
Idk if thats correct
johnnn:
Okay ty.
johnnn:
do i make a new post for a new question?
Hero:
Yes, for every question create a new post. One thread per question.
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johnnn:
i posted a new question and @ed you
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