Question

from a circular sheet of radius 7 cm a circle of radius 2.1 cm is removed find the area of the remaining sheet​

Answer 1

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Answer 2

Answer:

R = 7cm

r = 2.1 cm

Area of remaining sheet = area of entire sheet - area of removed sheet.

= πR²-πr²

= π(R²-r²)

= 22/7 (7²-2.1²)

= 22/7 (44.59)

= 140.14cm²

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