Completar frases Fill in the Blanks.Versión en línea facts about area of a circle. por Ysmael Rayman 1 inside area boundary The term refers to the space the or perimeter of a closed shape . 2 square circle number units The area of a circle is the of inside the . 3 area formula A The for the of the circle is = ? rx r 4 divide The first thing to do , if the given is diameter , the diameter by 2 . 5 length product base The formula for the area of parallelogram is the of the of its .