a hollow cylindrical pipe is 56 cm long. its outer and inner radii are 20cm and 16 cm respectively. Find the volume of iron used in making the pipe.
Answers
Answered by
27
height = 56 CM
outer radii = 20 CM
inner radii = 16 CM
for inner volume of cylinder = πr²h
22/7×16×16×56 = 45,056 cm³
for outer volume of cylinder = πr²h
22/7×20×20×56=70,400 cm³
Volume of iron used in making the pipe = outer volume of cylinder - inner volume of cylinder
70,400 - 45,056 = 25,344 cm³
outer radii = 20 CM
inner radii = 16 CM
for inner volume of cylinder = πr²h
22/7×16×16×56 = 45,056 cm³
for outer volume of cylinder = πr²h
22/7×20×20×56=70,400 cm³
Volume of iron used in making the pipe = outer volume of cylinder - inner volume of cylinder
70,400 - 45,056 = 25,344 cm³
aryan298:
thx
your welcome
Similar questions