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Can you all please help me with a and b ​

Can you all please help me with a and b ​-example-1
User Ali
by
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1 Answer

11 votes

Answer:

Explanation:

a.

area of one face=3²=9 units²

b.

whole surface area=6×3²=6×9=54 units²

User Jared Joke
by
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