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9º ano Triângulo Retângulo

Authored by Bruno Gama

Mathematics

9th Grade

Used 51+ times

9º ano Triângulo Retângulo
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9 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Qual das fórmulas abaixo representa os teorema de Pitágoras

a2 = b2 + c2a^2\ =\ b^2\ +\ c^2

a2 = − b2 − c2a^2\ =\ -\ b^2\ -\ c^2

a = b2 + c2a\ =\ b^2\ +\ c^2

x = − b +Δ2ax\ =\ \frac{-\ b\ +\sqrt{\Delta}}{2a}

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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Qual o valor de x?

10

12

14

15

17

3.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

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Qual das seguintes fórmulas é uma relação métrica no triângulo retângulo? (Pode haver mais de uma resposta)

a = m + n

c = a + b

h² = m.n

c.n = h.b

c.m = b.h

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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Qual o valor de h?

12

14\sqrt{14}

16

32\sqrt{32}

48\sqrt{48}

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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Qual o valor da diagonal do quadrado?

8

828\sqrt{2}

16216\sqrt{2}

1616

64

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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Como chama os lados de um triângulo retângulo?

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Hipotenusa, capeto e capeto

Medusa, cateto e cateto

Hipotenusa, cateto e cateto

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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Qual o valor da área de um quadrado cuja diagonal mede 20?

20

50

100

200

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