P = 2πr (p -длина окружности) ===>
===> r = p : 2π
r = 20 : 6,28 ≈ 3,18
d = 2r
d = 6,36
Все)
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
P = 2πr (p -длина окружности) ===>
===> r = p : 2π
r = 20 : 6,28 ≈ 3,18
d = 2r
d = 6,36
Все)