Cálculo de Áreas Flashcards

1
Q

Quadrado

A

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2
Q

Retângulo

A

B.H

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3
Q

Paralelogramo

A

Base.Altura

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4
Q

Hexágono Regular

A

3√3L²/2=A

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5
Q

Losango

A

D.d/2=A

Diagonal maior e menos = D e d

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6
Q

Triângulo

A

bh/2=A
Equilátero
h=L√3/2
A=L²√3/4

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7
Q

Círculo

A

A=πr²

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8
Q

Área de um polígono regular

A

Semiperímetro= n.Lado/2

A=p.Apótema

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9
Q

Área de figuras semelhantes

A

L1/L2=K

A1/A2=K²

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10
Q

Área do triângulo inscrito na circunferência

A

A=p.r

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11
Q

Área do triângulo circunscrito na circunferência

A

A=a.b.c/4R

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12
Q

Área do triângulo em função do ângulo

A

b.c.sen a/2 = A

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13
Q

Setor Circular

A

A=α.π.R²/360

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14
Q

Segmento Circular

A

Asc= Área do setor circular - Área do triângulo

A=R²/2(α- senα)

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15
Q

Coroa circular

A

A=π(R²-r²)

A= Área do circulo maior - área do circulo menor

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