20) A round plate has a circumference of 145 cm.
Among the diameters 57 cm, 24 cm, 49 cm and
145 cm, which could be that of the smallest box
in which the plate could be packed?
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20) A round plate has a circumference of 145 cm.
Among the diameters 57 cm, 24 cm, 49 cm and
145 cm, which could be that of the smallest box
in which the plate could be packed?
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We find radius first
C=pie d
145=(22/7)d
d=46.13
Ans:49