0.07854m / 98.54m^2

how many coins can fit on the college crest if the crests area is 98.54m^2 and the circumference of a coin is 0.07854m
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1 Answer

Diameter of coin is 0.07854/π=0.025m.

A coin will occupy a square whose side length is the coin’s diameter. So the area of this square is 0.000625m². Therefore the number of coins that should cover the crest is 98.54/0.000625=157664 approx.

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