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Question Number 183815 by AROUNAMoussa last updated on 30/Dec/22

Answered by mnjuly1970 last updated on 30/Dec/22

r_l −r_s = 5 r_l +r_s =13 r_( l) =9 , r_( s) =4 s= πr_l ^( 2) = 81π

rl−rs=5rl+rs=13rl=9,rs=4s=πrl2=81π

Commented by AROUNAMoussa last updated on 30/Dec/22

Explication, s'il te plaît !

Commented by JDamian last updated on 30/Dec/22

(r_l −r_s )^2 +12^2 =13^2 (r_l −r_s )^2 =25 r_l −r_s =5

(rl−rs)2+122=132(rl−rs)2=25rl−rs=5

Commented by AROUNAMoussa last updated on 30/Dec/22

Ok, ��

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