as area of circle=area of rectangle then length and width of rectangle= --- and ---- of circle respectively
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ANSWER
Given
Radius of enclosed four circles =7 cm
Diameter of a circle =14 cm
Length of rectangle =4(14)=56 cm [As four circles cover the length of rectangle ]
Width of rectangle =14 cm [As only one circle covers width of rectangle]
(a) Area of rectangle = Length × Width
=56×14=784 cm
2
(b) Area of enclosed circle =πr
2
=
7
22
×7×7
=154 cm
2
Area of enclosed four circles =4×156=616 cm
2
∴ Area of shaded part =784−616=168 cm
2
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