it is required to make a closed cylindrical tank of height 1m and base diameter 140 cm from a metal sheet. how many square metres of the sheet are required for the same? for class 7
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Answered by
0
Answer:7.48m2
Step-by-step explanation:
Given= To make cylindrical tank of h=1m and d=140cm
Total Surface Area of cylinder is 2πrh+2πr
2
=2πr(h+r)=2×
7
22
×(70)(100+70)=7.48 m
2
Thus, metal sheet required for the cylindrical tank=7.48m2
Answered by
0
Answer:
7•48m2
Step-by-step explanation:
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