Question

using the formula d=2r c =2nr or c =nd find the values of unknown variables c =62.80cm take n 3-14 d? r? ​

Answer 1

Step-by-step explanation:

ok ok given circumference= 62.80

π = 3.14

now

circumference= 2π r οr π d

62.80 = d× 3.14

62.80/3.14 = d

20= d

now d= 2r

so r = 20/2= 10

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