Margot is sewing a ribbon on a seam along the perimeter of a square pillow. The side length of the pillow is 2x^2+1 inches, and its perimeter is 4(2x^2+1) inches. If x=3.5, how much Robbin does she need?

Respuesta :

i think its 102 inches
2x3.5*2 power=24.5
4(24.5+1)=102