Salut je suis en galère avec un devoir , vous pouvez m'aidez s'il vous plait merci ! Le lien : http:.... Pergunta de ideia deAigle91

June 2021 1 47 Report

Salut je suis en galère avec un devoir , vous pouvez m'aidez s'il vous plait merci !
Le lien : http://fr.static.z-dn.net/files/d0b/3f3013a8dbe91b21ae9ea2f0affa792b.gif

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isapaul

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Bonjour
Pour calculer il suffit de donner
DM = x alors MC = DC - DM = 30 - x
on obtient alors
Aire BCM = (12(30-x)) / 2
Aire ADM = 12x / 2 = 6x
L' énoncé demande que
Aire ADM = 1/3 * Aire BCM soit
3 * Aire ADM = Aire BCM
3 * (6x) = (12(30-x))/2
18x = (360 - 12x) / 2
2 * 18x = 360 - 12x
36x + 12x = 360
x = 360 / 48 = 7.5
Le segment DM = 7.5 cm

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Bonjour, Why don't you...? / You should+BV What about...? + V-ing? 1-There's a Spielberg movie on TV tonight. 2-NYCasting is recruting extras. 3-I slept only three hours last night 4-I've worked too much.My eyes are tired 5-You look terrible.Your hair is too long

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