<Li> 4,046.87261 square metres (1 square kilometre is equal to 247.105 acres) </Li> <P> 1 acre (both variants) is equal to the following customary units: </P> <Ul> <Li> 66 feet × 660 feet (43,560 square feet) </Li> <Li> 10 square chains (1 chain = 66 feet = 22 yards = 4 rods = 100 links) </Li> <Li> 1 acre is approximately 208.71 feet × 208.71 feet (a square) </Li> <Li> 4,840 square yards </Li> <Li> 43,560 square feet </Li> <Li> 160 perches . A perch is equal to a square rod (1 square rod is 0.00625 acre) </Li> <Li> 4 roods </Li> <Li> A furlong by a chain (furlong 220 yards, chain 22 yards) </Li> <Li> 40 rods by 4 rods, 160 rods (historically fencing was often sold in 40 rod lengths) </Li> <Li> ​ ⁄ (0.0015625) square mile (1 square mile is equal to 640 acres) </Li> </Ul> <Li> 66 feet × 660 feet (43,560 square feet) </Li>

What is the length and width of 10 acres
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