A) area
B) circumference
C) \[14.2{{m}^{2}}\]
D) 4unit
Correct Answer: D
Solution :
Circumference = area, \[\frac{1}{3}\pi {{(4)}^{2}}\times h=\frac{4}{3}\pi \times 56\]\[\frac{1}{3}\pi {{(4)}^{2}}\times h=\frac{4}{3}\pi \times 56\] \[\therefore \] Diameter \[h=14cm.\] unit.
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