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Using pie = 22/7. How do I find the area of the circle of 42ft?
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I like apple pie.
I wonder if these schools are reliable; they spell arguably the most important constant wrong.
god i hate math teachers. now students will think \(\pi=\frac{22}{7}\) a rather silly approximation based on basically nothing
pie could also be interpreted as (pi)*(e)
lol
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Or p * i * e.
\(A=\pi r^2\) so \(A=\pi \times 42^2\)
Unit being (feet)^2
42 can be the diameter too.
According to question 42ft is circumference ?
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Yeah, should be assumed circumference according to the language.
Forgive me for the wrong abbreviations. In the book 42ft was changed to (21)2, why?
\[2\pi r=42\ ft\]\[=>r=42/2\pi\] Therefore area=\(\LARGE{\pi r^2=\pi(\frac{42}{2\pi})^2}=?\)
???????????
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