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Mathematics 22 Online
OpenStudy (asad786):

help plz http://prntscr.com/9h36a6

OpenStudy (asad786):

wait what

pooja195 (pooja195):

\[\huge~\rm~SA = 6 × a^2 \]

OpenStudy (usukidoll):

yes that's the formula for the surface area of the cube.

pooja195 (pooja195):

\[\huge~\rm~SA = 6 × 7^2\] Solve

pooja195 (pooja195):

7^2=(7)(7) =?

OpenStudy (asad786):

294

OpenStudy (usukidoll):

Note: 7^2 is the same as writing 7 twice which is 7 x 7 therefore SA = 6 x 7 x 7 = 294 yesssss

pooja195 (pooja195):

Well done

OpenStudy (asad786):

thx

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