ConceptProblems Based on Areas and Perimeter Or Circumference of Circle, Sector and Segment of a Circle

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#### Question

In Fig. there are shown sectors of two concentric circles of radii 7 cm and 3.5 cm. Find the area of the shaded region. Use π = `(\frac { 22 }{ 7 }).`

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Solution for question: In Fig. there are shown sectors of two concentric circles of radii 7 cm and 3.5 cm. Find the area of the shaded region. concept: Problems Based on Areas and Perimeter Or Circumference of Circle, Sector and Segment of a Circle. For the course CBSE