For a complete lesson on complementary and supplementary angles, go to http://www.MathHelp.com – 1000+ online math lessons featuring a personal math teacher inside every lesson! In this lesson, students learn the definition of complementary and supplementary angles, as well as how to find the measures of the complement and supplement of a given angle. Students are also asked to solve word problems in the following form: “If the ratio of an angle to its complement is 2:3, find the measure of each angle.”
Tianjin Reliance Steel Pipe Industry & Trade Co., Ltd. was officially founded in 2004, and is located in Caigongzhuang Industrial Area in Jinghai County, Tianjin, China. We are a joint-stock enterprise, with 3 branch plants.
Our main products are:
Welded Pipes, Square & Rectangular Hollow Section Tubes
Galvanized Steel Welded Pipe and Pre-galvanized Steel Pipes.
Address:Hi-Tech information square, NanKai district of Tianjin.