A rectangular piece of dimension 22 cm x 7 cm is used to make a circle of largest possible radius. find the area of the circle such formed.
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Area of rectangular piece and area of circle which is to b formed should b equal
Nw area of rectangle = 22*7=154
Area of circle = pie x radius x radius
154= 3.14 x radius x radius
49.9 = radius(square)
Nw square root of 49..9 is equal to radius,whic is 7
Hence radius =7
Nw area of rectangle = 22*7=154
Area of circle = pie x radius x radius
154= 3.14 x radius x radius
49.9 = radius(square)
Nw square root of 49..9 is equal to radius,whic is 7
Hence radius =7
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