erica painted a picture of her dog. the picture has an area of 3,600 cm2 and is a square. she has placed the picture in a frame that is 5 cm wide. what is the perimeter of the picture frame?
3600 cm2 is the area of a square√3600=60all sides measure 60 cmthe frame is 5 cm wide all aroundeach side of the frame has a measure of 60+5+5=70 cmP=4sP=4*70P=280 cm is the perimeter
