Devoir de Contrôle N°4 - Math - 8ème (2019-2020) Mme Allani

4512/02/2020
4
)15 ( 
(1−
×    − - − 
(20,25 4      −, -
(3  
(4 
(5
2)3 ( (O,I)OI = 1cm ABC
D  23  − 
 OAOCAB DI
3)6 (
(1
 = −
− +  −   =  −  − +
(2  = 
−   −  −
 = (
−) ( −)−( −  )
4)6 (
ABCD AB = 6cmAD = 4cm
̂=° E 
B(AC) F D(AC)
(1ADCABC
(2CBEADF
(3 BF = DE
O

4512/02/2020
4
)15 ( 
(1−
+    − - − 
(2−, −       −, -
(3  
(4 
(5
2)3 ( (O,I)OI = 1cm ABC
D  −−
 OBOCAB DI
3)6 (
(1
 = −
+ −  −   = − +  −
(2  = −
−
 +
−
O

 = 
−  −− − 
4)6 (
ABCD AD = 6cmAB = 4cm
̂=° M 
B(AC)N D(AC)
(1BDCABD
(2CDNABM
(3 DM = BN

4512/02/2020
4
)15 ( 
(1−
×    − - − 
(20,25 4      −, -
(3  
(4 
(5
2)3 (
(1 = −
+   = − +
(2 = −
−   = − + + = −
3)6 (
(1
 = −
− +  −   =  −  − +
(2  = 
−  −  −

 = (
−) ( − )− (−  )
4)6 (
ABCD AB = 6cmAD = 4cm
̂=° E 
B(AC) F D(AC)
(1ADCABC
(2CBEADF
(3 BF = DE