Answers

2014-12-01T18:52:44+05:30
Use the formula 2πr(r+h)
1 5 1
solve ..
can u plz solve it
= 2x22÷7x2.1(2.1+4.5)
Thanks....
thanks
2014-12-01T18:59:45+05:30
It is 
2πrh+ 2πr²
2(3.14)(2.1)(4.5) + 2(3.14)(2.1)²
=59.346 + 27.694
= 87.04 m²
1 5 1