Math, asked by mridul1110, 1 year ago

if c is the circumference and A is the area of the circular disc then c/a=a/c if and only if the diameter of the circular disc is

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Answered by Abdking

1

if the diameter is 4

mridul1110: how can you tell me

Abdking: do you know formula of circumference

Abdking: and also of area

mridul1110: yes

Abdking: then say it

mridul1110: wπr and πr^2

Abdking: put the value of r as 2

Abdking: and do the sum

mridul1110: ok

Abdking: bye

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