Thickness of a metallic pipe is 1 cm its inner diameter is 12 cm what is the volume of the metal needed for a pipe of length 1 m
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Answer:
1964.28 cm^3
Step-by-step explanation:
Height of pipe = 1 m = 100cm
Total diameter = 12 + 1 = 13 cm
Volume of metal needed =
(pi × 13 × 13 × 100 / 4) - (pi × 12 × 12 ×100 / 4)
= 25 × pi (169 - 144)
= 25 × 25 × pi
= 1964.28 cm^3
Therefore answer is 1964.28 cm^3
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