3 years ago

What is the surface of a cube with the side lenght of 9cm

Mathematics

1 answer:

marissa [1.9K]3 years ago

5 0

<span>The total surface area is SA = 6 </span>× $a^{2}$ ;
SA = 6 × $9^{2}$ = 6 × 81 = 486 $cm^{2}$ ;

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