a hollow metal pipe 14 cm long has outer radius and inner radius 10 cm and 4 cm respectively what is its total surface area
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meghu18:
bro once check the ans
yeah I know I haven't added .
plz can u
of course ... Wait a minute I'm writing it on paper..
tq so much anaya
ok
done Dana Dan done
tq
but in our tb the ans is given 1760
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