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r= 132x7/22/2 = 21 cm
v=♬r*2t
= 22/7 . 21 . 21 . 15
= 66.315
= 20790
T=15cm
Ka= 2r
132=2.22/7.r
132*7=44r
r= 924/44
=21.
volume= r*r*t
=22/7*21*21*15
=20790cm3 c
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