Answer:
Step-by-step explanation:
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The floor of the round hut suggests that this is a cylinder, so.
Lets assess the formula.
A = 3.14 x r^2
A = 3.14 x 2^2
A = 3.14 x 4
A = 12.56.
Hope this helps!
It's 0 because 10+10 = 20 then subtract 20 and you get zero.
All you have to do is subtract 10 from 3, which equals -7, and there you have an integer
