Math Open Reference. A transformation where each point in a shape appears at an equal distance on the opposite side of a given line - the line of reflection. Try this Drag any orange dot to move the line of reflection or reshape the triangle. In this transformation, we start with a given shape.
History and Origins of Belly Dance. The Terminology. The origin of the name âbelly danceâ comes from the French Danse du ventre, which translates as âdance of the stomachâ. Sol Bloom is said to have been the first one to use the English term belly dance, for the dancers of the Chicagoâs World Fair in 1893.
1 Basic Tap Steps Tap dancing is a style of dance that gained popularity during the 1900s when jazz music began to rise in popularity.2  Derived from West African step dances, tap is a rhythm-baâ¦.nswered by The Community. Making the world better, one answer at a time. in the early 20th centary....don't know what year in the early 20th centary....don't know what year No, tap dancing started between the years 1607 and 1865 by the slaves in America.