Question

The percentage increase in the surface area of a cube when each side is double,is

Answer 1

⛦Hҽɾҽ ɿʂ ү๏ʊɾ Aɳʂฬҽɾ⚑
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▶The percentage increase in the surface area of a cube when each side is double, is?

➾ 3 × 100%
➾ 300% ...✔

_________
Thanks...✊

Answer 2

Answer:

side of cube=x

TSA=6x²

if side=2x

then TSA=6(2x)²=24x²

increase=24x²-6x²=18x²

% increase=18x²/6x² * 100=300 %