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ziro4ka [17]
3 years ago
8

If the diameter of my circle is 2 cm what is the circumference in cm only type numbers rounded to the nearest hundredreth

Mathematics
2 answers:
natta225 [31]3 years ago
4 0

The number \pi is defined exactly as the ratio betweent the circumference and the diameter. We deduce that

\pi=\dfrac{C}{d}\iff C=\pi d

So, your cimference is 2\pi. You can use the approximation \pi=3.14 to round to the nearest hundredreth: 2\pi\approx 6.28

saveliy_v [14]3 years ago
4 0

Answer:

6.28 cm

Step-by-step explanation:

c = 2π·r = d·π

c = 2cm·3.14 = 6.28 cm

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