aly95
01.11.2019 •
Mathematics
Find the circumference of a circle that has a diameter of 4 m..
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Ответ:
If diameter = 4,
then radius = 4/2 = 2m.
Formula for the Circumference of a Circle = 2
r
2
r = 2 x 22/7 x 2
2 x 22/7 x 2 = 4 x 22/7 = 88/7
= 12.5714286 cm.
It can be also be rounded up into 12.6 cm.
So, the Circumference of the Circle is 12.6 cm or 12.5714286 cm.
Ответ: