Generally 9" . In some countries the preferable size is 8" as well.
7 inches
A show plate should be at least 10 inches no less . It should be the size of a normal dinner plate.
10 x 10 = 100 inches square divide that by 4 and you get 4 pieces which are 25 inches square each. and each one would be 5 by 5 or 2.5 by 10
The standard size of the plates for serving a cake are as follows; plate for serving small to medium size of cake or desert is 30cm wide, 33 centimeters diameter for larger size of cake.
In Canada, the smallest license plate size is a motorcycle plate, measuring approximately 152 mm by 102 mm (6 inches by 4 inches).
A cake plate is another name for a cakestand - a place where cakes can be stood.
It varies greatly. Some are small, some are larger. Typically, most are about 9 inches by 13 inches, and 2 inches deep. Any variation within 2 or 3 inches of this is considered about "average".
The available cake sizes for purchase are typically small (6 inches), medium (8 inches), and large (10 inches).
Plate
990g
cake in a cup < google it>
The minimum screen size of the display is 30-40 inches.