Cellar

Cellar for storing fruit has a rectangular base with sides 14 m and 7 meters. You should paint sidewall to 2 m. How m2 surface must be painted?

Result

S =  84 m2

Solution:

a=14 m b=7 m c=2 m  o=2 (a+b)=2 (14+7)=42 m  S=o c=42 2=84=84 m2a = 14 \ m \ \\ b = 7 \ m \ \\ c = 2 \ m \ \\ \ \\ o = 2 \cdot \ (a+b) = 2 \cdot \ (14+7) = 42 \ m \ \\ \ \\ S = o \cdot \ c = 42 \cdot \ 2 = 84 = 84 \ m^2



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