SOLUTION: If a wire is bent into the shape of a square, then the area enclosed by the square is 81 cm square. when the same wire is bent into semi-circle. find the area enclosed by the semi-
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Question 580602: If a wire is bent into the shape of a square, then the area enclosed by the square is 81 cm square. when the same wire is bent into semi-circle. find the area enclosed by the semi-circle
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The perimeter is
cm
This is the length of the wire
The circumference of a circle is
, or
where is the diameter
A semi-circle enclosed by a wire looks like
The radius is
The area of the semi-circle is
cm
Hope I got it
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