Find the total surface area of a closed cylindrical petrol storage tank whose diameter is 4.2 mts and heght is 4.5 mts.
Answers
Answered by
9
Use the formula 2πr(r+h)
Anupkashyap:
solve ..
can u plz solve it
= 2x22÷7x2.1(2.1+4.5)
Thanks....
thanks
Answered by
10
it is
2πrh+ 2πr²
2(3.14)(2.1)(4.5) + 2(3.14)(2.1)²
=59.346 + 27.694
= 87.04 m²
2πrh+ 2πr²
2(3.14)(2.1)(4.5) + 2(3.14)(2.1)²
=59.346 + 27.694
= 87.04 m²
Thanks a lottt...
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