Techno age plastics have just received an order for piping made polypropylene.The section of piping has an outer diameter of 16cm and the plastic is 6mm thick.The section of piping is 200cm long and 1500 pipes have been ordered. Calculate a)The internal diamerter of the pipe in centimeter b)looking @ the pipe from the end,the area of plastics in the cross-section of the pipe. c)the volume of plastics used in the ...
Posted on: Fri, 21 Mar 2014 07:54:43 +0000