A metallic pipe is 0.7 cm thick.Inner radius of the pipe is 3.5 cm and length is 5dm.Find it's total surface area.
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The length is 50 cm
The inner radius is 3.5 cm

= 350pi sq cm
---------------
The outer radius is 4.2 cm
= 420pi sq cm
The area of each end is sq cm
Total area = 780.78*pi sq cm
The inner radius is 3.5 cm

= 350pi sq cm
---------------
The outer radius is 4.2 cm
= 420pi sq cm
The area of each end is sq cm
Total area = 780.78*pi sq cm
Rehan1111111111:
Sry brother,this ans.was wrong
thanks for correcting me
brother
My pleasure
class
yours
Answered by
2
The tsa of the pipe is 148.94 cm²
The solution is in the picture attached.
Hope it helps...
If it did then please mark it as the brainliest.
The solution is in the picture attached.
Hope it helps...
If it did then please mark it as the brainliest.
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Sry,this ans. was wrong
So whats the correct answer..
??
2453.88cm^2
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