Find the length of molding needed to put around a circular table that is 4.20 ft in diameter. use 3.14 as the value for pi and answer to the nearest hundredth.

Each side has to be less then the sum of the other two sides.a, b, c, and e work.

Air pollution: “combustion results in gases such as nitrogen oxides, nitrogen dioxide and particulates. the main causes of air pollution include transport, domestic combustion and industrial processes. pollutants from these sources can cause problems in the immediate vicinity and a distance away.”

Answerworking theory