The circumference (C) of a circle is 16cm. Which formula can you use to find the diameter (d) if you know that C= πd?
2 answers:
The formula is d=C/π.
The diameter is 2 times the radius
The formula for the circumference using the radius is 2πr.
in order to do this backwards, we would have to do 16÷2÷π, but we're not looking for the radius.
Therefore, we take out the ÷2 part, which would be 16÷π
16 is the circumference
16÷π=d
d=C÷π
Answer:
d = /π
Step-by-step explanation:
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