#2 Flashcards

1
Q

Progressão geométrica

A

an = a1 . q^n-1

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2
Q

Soma dos termos de uma PG

A

Sn = a1 . (q^n - 1)/ q - 1

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3
Q

Ângulo externo de um polígono regular

A

Ae = 360/n

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4
Q

Diagonal de um polígono

A

D = n (n-3)/ 2

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5
Q

Ângulo interno de um polígono

A

Ai = (n-2) 180/n

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6
Q

Soma dos ângulos internos de um polígono

A

S = (n-2) 180

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7
Q

Área do losango

A

A = D.d/2

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8
Q

Cone reto

A

g^2 = h^2 + R^2

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9
Q

Área lateral de um cone

A

A = pi. R. g

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10
Q

Volume do cone

A

V = Ab.h/3

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