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jon0510
@jon0510 (1)
Age 35
Joined myLot 18 years ago
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Help with Maths homework
jon0510
@jon0510
(1)
2 Dec 06
Richard is making glass fibre. He starts with a cylinder of glass 8cm high 5cm in diameter. He spins this into glass fibre with a circular cross section of diameter 0.1cm. What length of glass fibre does he make?
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