the radius of 2 concentric circles are 7m and 8m respectively. find the area enclosed between them
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Answer:
47.14 cm^2.
Step-by-step explanation:
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Step-by-step explanation:
Radius of inner circle = 7m
Radius of outer circle = 8m
Area of outer circle = πr²
=> 22/7 x 8 x 8
=> 22/7 x 64
=> 1408/7m²
Area of inner circle = πr²
=> 22/7 x 7 x 7
=> 22 x 7
=> 154m²
Area enclosed between them = Area of outer circle - Area of inner circle
=> 1408/7 - 154
=> ( 1408 - 1078 ) / 7
=> 1330/7
=> 190m²
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