Volumes Flashcards

1
Q

Qual a fórmula do volume do cone ?

A

V= πr²•h/3

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2
Q

Quantos litros tem em um m³?

A

1000

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3
Q

Como calcular o volume de uma forma cúbica ?

A

Multiplicar as arestas

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4
Q

Fórmula do volume do cilindro?

A

V=πr²•h

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5
Q

Como calcular a área de um triângulo equilátero?

A

A= l²•√3/4

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6
Q

Quanto vale πrad?

A

180°

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7
Q

Quanto vale πrad/2

A

90°

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8
Q

Quanto vale 3πrad/2 ?

A

270°

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9
Q

Como mede o comprimento do arco formado por ângulo X ?

A

C= r •π

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10
Q

Qual o seno de 30°?

A

1/2

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11
Q

Qual o seno de 45°

A

√2/2

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12
Q

Qual o seno de 60°

A

√3/2

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13
Q

Qual o cosseno de 30°

A

√3/2

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14
Q

Qual o cosseno de 45° ?

A

√2/2

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15
Q

Qual o cosseno de 60°?

A

1/2

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16
Q

Qual a fórmula da tangente ?

A

Seno/cosseno

17
Q

Qual a tangente de 30°

A

√3/3

18
Q

Qual a tangente de 45° ?

A

1

19
Q

Qual a tangente de 60° ?

A

√3

20
Q

Qual a lei do seno?

A

a/sen a = b/sen b = c/sen c

21
Q

Qual a lei do cosseno?

A

a²=b²+c²-2b•c•cos â
b²= c²+a²-2c•a•cos b
c²= a²+b²-2a•b•cos c