Using =π= 22/7
5. A metal pipe has length 70 cm, outer diameter 4 cm and thickness 0.5 cm.
find:
.
(c) the total surface area.
(d) the cost of painting outer curved surface at the rate of 75 paise per
cm.
Answers
Answered by
0
2×22/7×2×70
= 880
it is the answer
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Answer:
2*22/7*2*70 = 880 it is the answer
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