Answer:
79
Step-by-step explanation:
The area of a circle is pi*radius^2; the radius of this circle is 10 (20/2=10). Our area is then 100pi or ~314 square feet. A 2x2 square takes up 4 feet. 314/4 is equal to 78.5, or when rounded, 79
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simple addition subtraction,in terms of a alone then b them the number
the correct x intercept would be 1 and -4 i believe!
0.3
or
a
4X2 is 8 8x2 is 16 16x2 is 32
