lesson no 16 area surface and volume std 8 maharastra board
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radius 8.8/2=4.4cm and height 0.2 m =20 cm
Volume of cylinder=22/7*4.4*4.4*20
Volume of coin
radius=2.2/2=1.1+thickness
1.1+0.2
1.3 cm
Volume of coin
4/3*22/7*1.3*1.3*1.3
Number of coins obtained=Volume of cylinder/Volume of one coin
(22/7*4.4*4.4*20)/(4/3*22/7*1.3*1.3*1.3)
=1216.914/9.206
=132 coins (estimated)
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