Thalès 3eme

Thalès 3eme

3rd Grade

5 Qs

quiz-placeholder

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Thalès 3eme

Thalès 3eme

Assessment

Quiz

Mathematics

3rd Grade

Practice Problem

Medium

Created by

ORAIN GREG

Used 53+ times

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Cocher la bonne réponse :
Si

 EF4  = 185\frac{EF}{4\ }\ =\ \frac{18}{5} 

alors EF = .....

22,5

3,6

14,4

20

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Cocher la bonne réponse :

 94 = 18BG\frac{9}{4}\ =\ \frac{18}{BG} 

alors BG = …

8

2

2,25

162

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Soit le triangle ABC et les droites (MN) et (BC) sont parallèles. La relation de Thalès est ...

Cocher la réponse exacte.

AMAB = ANAC = BCMN\frac{AM}{AB}\ =\ \frac{AN}{AC}\ =\ \frac{BC}{MN}

AMMB= ANNC = MNBC\frac{AM}{MB}=\ \frac{AN}{NC}\ =\ \frac{MN}{BC}

BMBA = CNCA = MNBC\frac{BM}{BA}\ =\ \frac{CN}{CA}\ =\ \frac{MN}{BC}

AMAB = ANAC = MNBC\frac{AM}{AB}\ =\ \frac{AN}{AC}\ =\ \frac{MN}{BC}

4.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Media Image

Soit le triangle CGH.

Les droites (EF) et (GH) sont parallèles.

Données :

CH = 15 cm CE = 8 cm

CG = 9,6 cm GH = 12 cm

"Sur un brouillon", calculer la longueur EF, et seulement après vous pourrez cocher la bonne réponse.

10

14,4

6,4

5.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Media Image

Les droites (MN) et (BC) étant parallèles, la relation de Thalès est ...

Cocher la réponse exacte.

AMAB = ANAC = MNBC\frac{AM}{AB}\ =\ \frac{AN}{AC}\ =\ \frac{MN}{BC}

MANA = MCNB = MNBC\frac{MA}{NA}\ =\ \frac{MC}{NB}\ =\ \frac{MN}{BC}

ANAB = AMAC = MNBC\frac{AN}{AB}\ =\ \frac{AM}{AC}\ =\ \frac{MN}{BC}

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