Mat Flashcards

1
Q

Soma dos ângulos internos fórmula

A

Si= (n-2) . 180

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2
Q

Fórmula número de diagonais do polígono

A

n.(n-3)/2

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3
Q

Relação métrica em triângulos retângulos:
O produto da hipotenusa pela altura com a hipotenusa é igual ao …….

A

Produto dos catetos
A.h=b.c

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4
Q

Relação métrica em triângulos retângulos:
Cateto ao quadrado é igual ao produto da …….

A

Hipotenusa com o lado do triangulo referido
C²= a.n

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5
Q

Fórmula da soma finita da pg:

A

An= a1. (qn -1/ q-1)

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6
Q

Fórmula soma infinita da pg:

A

A1/ 1-q

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7
Q

O tetraedro regular é uma pirâmide formada por …. Triângulos ….. congruentes

A

4
Equiláteros

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8
Q

Altura do tetraedro regular

A

A . raiz de 6 / 3

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9
Q

Volume do tetraedro regular:

A

A ao cubo . Raiz de 2 / 12

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10
Q

Diagonal paralelepípedo

A

Raiz de a²+b²+c²

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11
Q

Area do paralelogramo

A

Base X altura ou a.b.sena

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12
Q

Area do losango

A

D.d/2

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13
Q

Calculo n de diagonais

A

n.(n-3)/2

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