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-

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