Calculate 80995

Calculate the cube's surface with the edges of the length: 2 half cm, 3.5 cm; it is a quarter of a cm.

Correct answer:

S =  9.25 cm2

Step-by-step explanation:

a=2 0.5=1 cm b=3.5 cm c=1/4=41=0.25 cm  S=2 (a b+b c+c a)=2 (1 3.5+3.5 0.25+0.25 1)=437 cm2=9.25 cm2



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