I answered your last problems. Now it's your turn.
I'll be glad to check your answers.
There are three crowns in the royal cabinet: One for the King, One for the Queen, and one for the Princess. The king's circumference was 21.98 in, the Queen's circumference was 43.96 cm and the Princess' circumference as 392.5 mm. What are the Diameters's for all three crowns?
2 answers
just divide all circumferences by three.
circumference = 3Xradius
circumference = 3Xradius