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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−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
$$\mathrm{1}−{determiner}\:{l}\:{aire}\:{de}\:{la} \\ $$$${partie}\:{hachuree}\left({SDEB}\right) \\ $$$$\mathrm{2}−{le}\:{raport}\:\frac{{R}_{\mathrm{1}} }{{R}_{\mathrm{2}} } \\ $$$${sachant}\:{que}:\:{AB}=\mathrm{20}\left({diametre}\:{de}\:\left({C}\right)\right. \\ $$$$\:\:\measuredangle{CDE}=\mathrm{60}^{°} \:\:\:\measuredangle{OAD}=\mathrm{30}°.\:\:\left[{AI}\mid\mid{EF}\right. \\ $$$$\:\: \\ $$
Commented by a.lgnaoui last updated on 22/Mar/23

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