Fórmulas Matemática Flashcards

1
Q

Área e comprimento de uma circunferência?

A

Ac=pi.r*2

Cc=2pir

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2
Q

Fórmula de uma PA

A

An= a1 + (n-1).r

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3
Q

Perímetro de um setor

A

As : 2r.arco

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4
Q

Regra fundamental da trigonometria

A

Sen2x+Cos2x=1

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5
Q

Lei dos cossenos

A

R2= a2+b*2-2ab.Costéta

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6
Q

Número de diagonais de um polígono regular

A

N = n.(n-3)
———
2

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7
Q

Seno da soma seno(a+b)

Cosseno da soma(a+b)

A
Seno(a+b) = senoa.cossb + senob.cossa
Cosseno(a+b) = cossa.cossb - senoa.senob
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8
Q

Volume da esfera

A

4pir*3

3

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9
Q

Volume do cilindro

A

Pir*2.h = ah.h

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10
Q

Volume do cone

A

Pi.h
—— .(R2. Rr.r2)
3

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11
Q

Equação da circunferência

A

(x-a)2 + (y-b)2 = R*2

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