Paper box

Calculate whether 11 dm² of paper is sufficient for gluing a box without a lid with bottom dimensions of 2 dm and 15 cm and 12 cm high. Write result as: 0 = No, 1 = Yes

Correct result:

x =  0

Solution:

S=11 dm2 a=2 dm b=15 cm dm=15/10  dm=1.5 dm c=12 cm dm=12/10  dm=1.2 dm  S1=a b+2 c (a+b)=2 1.5+2 1.2 (2+1.5)=575=11.4 dm2  S1>S 11.4>11 x=0



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