apologiabiology
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for fun question, I saw this on the internet and saw the solution, explain logic. diagrams are encouraged, please give radical form and aprox form

find the area of the shaded area (units are inches)
show all work

for fun question, I saw this on the internet and saw the solution, explain logic. diagrams are encouraged, please give radical form and aprox form find the area class=

Verified Answer :

Panoyin

A = lw - 2πr²
A = (20)(10) - 2(3.14)(5)²
A = 200 - 2(3.14)(25)
A = 200 - 2(78.5)
A = 200 - 157
A = 43 in²

Solutions 

Formula = 

Area = π × r^2 

\(Area = lw - 2pir^2 Area = (20)(10) - 2(3.14)(5)^2 Area = 200 - 2(3.14)(25) Area = 200 - 2(78.5) Area = 200 - 157 Area = 43 in^2\)

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