To determine the amount of banding needed for a round cake you will need to use
Circumference
= 3.14 x Diameter
so for an 8" round layer you would figure:
3.14
x 8" = 25.12"
Banding is sold by the yard. 1 yd = 36" so for an 8" round layer you would need 1 yd
of banding.
To determine the amount of banding needed for a square
cake you will need to use
Perimeter = 2 x Length + 2 x Width
so
for an 8" square layer you would figure:
2 x 8" + 2 x 8" = 32"
You
would need 1 yd of banding for an 8" square layer.
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