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A right circular cylindrical tunnel of diameter 2 m and length 40 m is to be constructed from a sheet of iron. The area of the iron sheet required in m2, is(a) 40π(b) 80π(c) 160π(d) 200π |
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Answer» A right circular cylindrical tunnel of diameter 2 m and length 40 m is to be constructed from a sheet of iron. The area of the iron sheet required in m2, is (a) 40 (b) 80 (c) 160 (d) 200 |
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