If the area of rectangle PQRS (green) is 21 cm2, AB = 7 cm and width o – InterviewSolution

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1.	If the area of rectangle PQRS (green) is 21 cm2, AB = 7 cm and width of circular path is 1 cm, then find area of circular path(grey). (Take π = 3.14)
Answer» If the area of rectangle PQRS (green) is 21 $c m^{2}$ , AB = 7 cm and width of circular path is 1 cm, then find area of circular path(grey). (Take $π$ = 3.14)

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