The volume of a metallic cylinder pipe is 748cm3. its length is 14 cm and its external radius is 9 cm.find its thickness
Answers
Answered by
2
dimensions of a pipe
Height =h=14cm
Radius = r.cm
Given
Volume =748 cm^3
Pi*r^2*h=748
22/7*r^2*h=748
r^2 =(748*7)/(22*14)
r^2=17
r = root 17
r = 4(approximately)
Given external radius R= 9cm
Thickness of the pipe =9-4 =5cm
Height =h=14cm
Radius = r.cm
Given
Volume =748 cm^3
Pi*r^2*h=748
22/7*r^2*h=748
r^2 =(748*7)/(22*14)
r^2=17
r = root 17
r = 4(approximately)
Given external radius R= 9cm
Thickness of the pipe =9-4 =5cm
Similar questions