it is required to make a closed cylindrical tank of height 1 metre and base diameter 140 cm from a metal sheet how many square metres of the sheet are required for the same
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Answer:
Step-by-step explanation:
height = 100 cm ; radius = 140÷2 =70cm
Total surface area = 2× 22÷7 × 70(100+70)
= 440× 170
=74800 cm^2
= 748 m^2
Therefore 748m^2 metal sheet is required to make the cylinder
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