Cube zoom

How many percents do we increase the volume and surface of the cube if we magnify its edge by 47 %?

Correct answer:

ΔV =  217.6523 %
ΔS =  116.09 %

Step-by-step explanation:

r=100%+47%=1+10047=1.47 V=a3 S=6a2  ΔV = 100  V1V2V1 = 100 ( V2/V11) ΔV=100 (r31)=100 (1.4731)=217.6523%
ΔS = 100 S1S2S1 = 100 ( S2/S11)  ΔS=100 (r21)=100 (1.4721)=116.09%



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