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find the circumference of two circles
first one is a complete circle with a line straight across the middle whch is21 cm.

The other circle has line straight across the middle half way. 8 in.
it shows hint: C= pie r or C = pie d

Respuesta :

juliadicaprio
C=pi(diameter)
C=pi(21)
C=about 65.97

C=pi(diameter)
C=pi(16) In order to find the diameter do 8(2)
C=about 50.27

Hope this helps!

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