davisdarby2
23.08.2019 •
Mathematics
What is the length of the circumference of a circle with a diameter of 8cm? use: pi = 3
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Ответ:
If pi were 3, then a diameter of 8 cm would mean circumference = 24 cm.
But 3 is 4.5% too small for pi.
Ответ:
When d=1, C=π, therefore:
k=π.
Therefore:
C=πd
------------
When d=8 cm,
C=8π cm
Ответ:
60
Step-by-step explanation: