# Solution - Problems Based on Areas and Perimeter Or Circumference of Circle, Sector and Segment of a Circle

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

#### Question

The length of minute hand of a clock is 14 cm. Find the area swept by the minute hand in one minute. (Use π = 22/7)

#### Solution

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In the figure given below, PQRS is square lawn with side PQ = 42 metres. Two circular flower beds are there on the sides PS and QR with centre at O, the intersections of its
diagonals. Find the total area of the two flower beds (shaded parts).

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In Fig. 6, find the area of the shaded region, enclosed between two concentric circles of radii 7 cm and 14 cm where ∠AOC = 40°. (use pi =  22/7)

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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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#### Reference Material

Solution for concept: Problems Based on Areas and Perimeter Or Circumference of Circle, Sector and Segment of a Circle. For the course 8th-10th CBSE
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