Aires Périmètres Flashcards

24
Q

Volume d’un cône

A

Volume d’un cône = (B x h) / 3

B = aire de la base (= aire d’un cercle)

h = hauteur = OS

S = sommet

O = centre du disque

Le volume du cône est le tiers du volume du cylindre.

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28
Q

Périmètre

Rectangle

A

P = 2 x ( L + l)

L = longueur

l = largeur

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29
Q

Périmètre

Carré

A

P = 4 C

C = côté

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30
Q

Périmètre

Cercle

A

P = 2 π R

π = pi = 3,14

R = rayon

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31
Q

Aire

Rectangle

A

A = L x l

L = longueur

l = largeur

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32
Q

Aire

Carré

A

A = C x C

C = Côté

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33
Q

Aire

Parallélogramme

A

A = b x h

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34
Q

Aire

Disque

A

A = π x R2

R = Rayon

π = pi

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35
Q

Aire

Losange

A

A = D x d
2

D = Grande diagonale

d = petite diagonale

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36
Q

Aire

Trapèze

A

A = (B+b) x h
2

B = Base

b = côté opposé

h = hauteur

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37
Q

Aire

Triangle

A

A = B x h
2

B = Base

h = hauteur

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38
Q

Aire

Triangle Rectangle

A

A = C1 x C2
2

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39
Q

Volume d’une pyramide

A

Volume pyramide = (Aire de la base x hauteur de la pyramide) / 3

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