3 years ago

A circle has a circumference of 312 cm. What is it’s diameter?

Mathematics

2 answers:

Umnica [9.8K]3 years ago

8 0

Answer:

99.31

Step-by-step explanation:

$c=2\pi *r\\d=r*2\\\\$

Solve for r

$312=2\pi *r$

r=49.6563

49.6563*2=99.3127

Hope this helps! :]

OverLord2011 [107]3 years ago

7 0

Answer: The diameter is about 99.31 cm .

Step-by-step explanation:

circumference is pie times the diameter.So to find the diameter in this situation,then you need to divide 312 by pie or 3.14

312/3.14= 99.312

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