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ira [324]
3 years ago
12

Find the circumference of a circle r=9

Mathematics
1 answer:
kvasek [131]3 years ago
3 0

Answer:

254.34

Step-by-step explanation:

You first have to know the formula which is

c = \pi \:  {r}^{2}

You multiply 9 by 9 which gives you 81.

c = \pi \times 81

pi equals 3.14

so 3.14 × 81 = 254.34

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