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Ad libitum [116K]
3 years ago
15

Radius=21 what is the cicumference​

Mathematics
2 answers:
Anastasy [175]3 years ago
8 0
2pir
42pi
131.9 is the circumference
adell [148]3 years ago
5 0

Answer:

circumference = 2πr

                         = 2*\frac{22}{7}*21\\\\\\= \frac{44}{7}*21\\\\=  \frac{924}{7}\\\\= 132

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