a closed cylindrical tank of radius 14 m and height 3cm is made from a sheet of metal how much sheet of metal is required?
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Answer:
44 m²
Step-by-step explanation:
r=7m h=3m
=2\pi r\left(r+h\right)2πr(r+h)
==2\times\frac{22}{7}\times7\left(7+3\right)=2×
7
22
×7(7+3)
=44\times1044×10
=440\ m^2440 m
2
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