pop615935 pop615935

02-03-2021
Mathematics

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can you all please help me with a and b

can you all please help me with a and b class=

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surjithayer10otahza surjithayer10otahza

02-03-2021

Answer:

Step-by-step explanation:

a.

area of one face=3²=9 units²

b.

whole surface area=6×3²=6×9=54 units²

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