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Answered by
1
Answer:
a³=8100cm
a=90cm
Step-by-step explanation:
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Answered by
0
Answer:
15 cm
Step-by-step explanation:
surface area of a cube=6(a)^2
8100=6a^2
8100=36a^2
8100/36=a^2
225=a^2
a=√225= 15cm
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