belle5828
12.03.2021 •
Mathematics
An Electrician has 3 1/3 rules of electrical wire he used to wire 4 1/2 rooms how much of a roll did he use on each room?
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Ответ:
3216.99
Step-by-step explanation:
A = 4
d = 2r
A =
=
* 32^2 = 3216.99