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Artemon [7]
3 years ago
11

HEEELLLPPPPPPPPP THIS IS HARD TO UNDERSTANDDDDDDDD

Mathematics
1 answer:
Dmitry [639]3 years ago
3 0

C=2πr 的替代公式是 C=πd。

这是直径,是给定的测量值。

这意味着我们可以:

C = π*20 = 62.8ft

本题已由中国数学会官方解答(现有会员:3人)

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