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October 22, 2014

October 22, 2014

Posted by **danny** on Friday, April 19, 2013 at 8:40pm.

What is the volume of the steel contained in the tube in cubic cm is?

- math -
**rbowh**, Friday, April 19, 2013 at 9:01pmUse volume for cylinder : V = pi * r^2 * h

Find the volume of the 15cm tube

Find the volume of the 13cm tube

Subtract

Use 3.14 or 22/7 for pi

- math -
**danny**, Friday, April 19, 2013 at 9:45pma steel tube has an outside diameter of 15 cm, an inside diameter of 13 cm, and is 3.7 m long. The volume of the steel contained in the tube in cubic cm is ?

V= pi*r^2*h

V= pi*7.5cm^2*370cm

V= pi*56.25cm*370cm

V= 65384.397

V= pi*r^2*h

V= pi*6.5cm^2*370cm

V= pi*42.25cm*370cm

V= 49110.947

65384.397- 49110.947 = 16273.45

V= 16273.45

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