1−determiner l aire de la partie hachuree(SDEB) 2−le raport (R_1 /R_2 ) sachant que: AB=20(diametre de (C) ∡CDE=60^° ∡OAD=30°. [AI∣∣EF


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Question Number 189854 by a.lgnaoui last updated on 22/Mar/23

$1 - d e t e r m i n e r l a i r e d e l a$ $p a r t i e h a c h u r e e (S D E B)$ $2 - l e r a p o r t \frac{R_{1}}{R_{2}}$ $s a c h a n t q u e : A B = 20 (d i a m e t r e d e (C)$ $∡ C D E = 60^{°} ∡ O A D = 30 ° . [A I ∣∣ E F$
Commented by a.lgnaoui last updated on 22/Mar/23

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