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a circle is drawn within as shown. what is the best approximation for the area of the shaded region? use 3.14 for pie

A Circle Is Drawn Within As Shown What Is The Best Approximation For The Area Of The Shaded Region Use 314 For Pie class=

Sagot :

Answer:

7536 espero que te ayude

21.5in^2 is your answer.
the formula for a circles area is pi•r^2
since the square is the same height as the circle, we can conclude that side length of the square is equal to the diameter of the circle.
the radius (r) is half the diameter.
so using our area formula we will write our formula as 3.14•5^2 and your answer is 78.5. Thats the area of the circle but we are looking for the area of the shaded region. find the area or the square by squaring the side length 10^2 or 10•10. to get the area of the square, 100. now subtract 100-78.5 to get the area of the shaded leftover region.
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