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Mathematics 7 Online
OpenStudy (anonymous):

A manufacturing company is producing dinner plates with a diameter of 30 cm .they plan to put gold edging around each plate. choose a correct formula to determine how much edging is needed for 1 plate....

OpenStudy (anonymous):

well, according to me, you have to know the plate diameter after adding gold on the plate edge... after that do substraction of plate (before gold edging) from plate (after gold edging).

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