The average dinner plate we commonly use today measures 11 or 12 inches across. A few decades ago plates measured 7 to 9 inches. In Europe, the average plate measures 9 inches while some American restaurants use plates that are around 13 inches in diameter.
When the curved steel section has 180 degrees or more of arc, you can simply measure the diameter and divide by 2 to obtain the radius.
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Answer:
The average dinner plate we commonly use today measures 11 or 12 inches across. A few decades ago plates measured 7 to 9 inches. In Europe, the average plate measures 9 inches while some American restaurants use plates that are around 13 inches in diameter.
When the curved steel section has 180 degrees or more of arc, you can simply measure the diameter and divide by 2 to obtain the radius.