Answers

2016-01-12T18:51:56+05:30
l = √(h)² + √(r)²
l = √(16)² + √(12)²
l= 256+144
l=20

csa=
πrl
 3.14 × 12 × 20
=753

tsa=
πrl +πr2

3.14
×12×20+ 3.14×12×12
753+452.16
1205.16






0