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I need help pleaseeeee

I need help pleaseeeee-example-1
User Farzher
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Answer:

The answer is D. 245.8 unit^2

User Kevin Panko
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\qquad\qquad\huge\underline{{\sf Answer}}{}

Surface area of a cube is :


\qquad \tt \dashrightarrow \:6 {a}^(2)

where, a represents side length of each edge.


\qquad \tt \dashrightarrow \:a = 6(6.4) {}^(2)


\qquad \tt \dashrightarrow \:a = 6(40.96)


\qquad \tt \dashrightarrow \:a = 245.76 \: \: unit {}^(2)

it can be taken as an approximate of :


\qquad \tt \dashrightarrow \:a \approx245.8 \: \: unit {}^(2)

User Vasanti
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