The Answer Is 60
2.5 x 8 The Number Of Sides On That Shape Was 8
2.5 x 8 = 20
20 times the radius 3
20 x 3 = 60
60cm^2
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Answer: 113.1
Step-by-step explanation:
The formula is 


The radius is 3, and 3 cubed is 27.
Then, 27 x
is about 84.82
Finally, 84.82 x
is about 113.1
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Answer:
The difference in the areas of the cross-sections is 20 m².
Step-by-step explanation:
^^^
Answer:

Step-by-step explanation:

To the risk of sounding redundant,

and surely you'd know what that is.