thebigman7993
25.02.2021 •
Mathematics
What the polynomial to 4x+16 and factor
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Ответ:
Part A: Using the formula for circumference, solve for the value of pi for each circle.
Formula of circumference: C = πd
Circle A:
π = C/d = 21.98 / 7 = 3.14
Circle B:
π = C/d = 18.84 /6 = 3.14
Part B: Use the formula for area and solve for the value of pi for each circle.
Formula of area: A = πr^2
Circle A:
A = πr^2 where r = d/2 = 7/2 = 3.5
π = A/r^2 = 38.465 / (3.5)^2 = 38.465 / 12.25 = 3.14
Circle B:
A = πr^2 where r = d/2 = 6/2 = 3
π = A/r^2 = 28.26 / (3)^2 = 28.26 / 9 = 3.14
Part C: What observation can you make about the value of pi for circles A and B?
The value of pi for both circles A and B are the same as 3.14.
So it doesn't matter how big or small the circle is, the value of pi always remains the same.