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one disk of 20cm radius, out of that 4 disk of 5cm are cut , find diffrence of leftout and cut out area
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- Difference is 300pi.
Radius r=20cm
Total areal of big disc = pi* r^2 = pi * 20 * 20 = 400 pi
Total cut out area = 4 * pi * 5 * 5 = 100 pi
Difference between them = 400 - 100 = 300pi - 12 years agoHelpfull: Yes(1) No(2)
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