6th grade math

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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?

  • 6th grade math -

    I answered your last problems. Now it's your turn.

    I'll be glad to check your answers.

  • 6th grade math -

    just divide all circumferences by three.

    circumference = 3Xradius

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