A well with 28 m inside diameter is dug 8 m deep. The earth taken out of it has been evenly spread around it to a depth of 21 m to form an embankment. Find the height of the embankment.
(a) 215.4 m (b) 218.8 m (c) 213.3 m (d) 220.7 m
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Step-by-step explanation:
b. 218.8 m is your Answer
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