Math, asked by noncence, 3 months ago

Find the total surface area of a closed cylindrical drum if it's radius is 30 cm and height is 18

Answers

Answered by unmana53

4

Answer:

Given,

height= 18 cm

radius = 30 cm

Therefore total surface area = 2πr(r+h)

= 2×3.14×30( 30+18)

= 188.4×48

=9,043.2 cm ²

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