daniel2humnle
16.02.2021 •
Mathematics
A metal cube has a volume of 27 cm'. It is painted on all its faces. Find the total area of the faces that are coated with paint.
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Ответ:
Area = 54 cm
Step-by-step explanation:
Using the formulas
A=6a2
V=a3
Solving forA
A=6V⅔=6·27⅔≈54
Ответ:
-4x+9x =9x-4x=5x