Math, asked by murthydakshina7105, 3 days ago

The diameter of a roller is 84cm and its length is 20cm. Find the TSA of the cylinder is

Answers

Answered by ooOPoisonousQueenOoo

1

Solve by this method...

Have a good day☺️

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Answered by ayazz

1

Step-by-step explanation:

the TSA of a cylinder =2πr(h+r)

where, h =length =20cm,and

radius = diameter/2 = 84/2=42cm

so according to the formula ,

TSA of a cylinder = 2π×42(20+42)

= 2×3.14×42(62)

= 6.28×42×62

by simple calcution we got ,

TSA of a cylinder= 16353.12 cm² or 1.6353m²

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