Mathématiques (Aires et volumes) Flashcards

1
Q

Aire d’un rectangle

A

L x l

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2
Q

Périmètre d’un rectangle

A

( L x l ) x 2

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3
Q

Aire d’un carré

A

c x c

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4
Q

Périmètre d’un carré

A

4 x c

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5
Q

Aire d’un parallélogramme

A

base x hauteur

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6
Q

Aire d’un triangle

A

( base x hauteur ) / 2

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7
Q

Aire d’un losange

A

( petite diagonale x grande diagonale ) / 2

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8
Q

Aire d’un trapèze

A

( ( petite base + grande base) x hauteur ) / 2

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9
Q

Aire d’un triangle rectangle

A

( base x hauteur ) / 2

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10
Q

Aire d’un cercle

A

π x R x R

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11
Q

Périmètre d’un disque

A

2 x π x R

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12
Q

Volume d’un cube

A

V = a x a x a

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13
Q

Volume d’un pavé droit

A

V = L x l x h

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14
Q

Volume d’un prisme droit

A

V = A x h

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15
Q

Volume d’un cylindre de révolution

A

V = Aire x hauteur = π x R x R x hauteur

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16
Q

Volume d’une pyramide

A

V = ( Aire x hauteur ) / 3

17
Q

Volume d’un cône

A

V = ( Aire x hauteur ) / 3 = ( π x R x R x hauteur ) / 3