The egg displayed is composed of 4 arcs from 4 sectors.  The arc AC has centre B.
 The arc BD has centre A.
 The arc AB has centre O.
 The arc CD has centre E.
 The radius of the central circle is 1cm.
 OEandOBformarightangle.
Calculate the perimeter of the egg.

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet