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Matematica per FAITPS

Authored by Piergiorgio Fusco

Mathematics

5th Grade - University

Used 440+ times

Matematica per FAITPS
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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Teorema di Pitagora

a2+b2=c2\sqrt[]{a^2}+\sqrt[]{b^2}=\sqrt[]{c^2}  

a2−b2=c2a^2-b^2=c^2  

a2+b2=c2a^2+b^2=c^2  

a2+2ab+b2=ca^2+2ab+b^2=c  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Equazione di 1° grado: ax+b=0ax+b=0

Come si trova la x ? 

x=abx=\frac{a}{b}  

x=bax=\frac{b}{a}  

x=−abx=-\frac{a}{b}  

x=−bax=-\frac{b}{a}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Lunghezza di una circonferenza di raggio r

L=2πr2L=2\pi r^2  

L=πr2L=\pi r^2  

L=4πrL=4\pi r  

L=2πrL=2\pi r  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Area di un cerchio di raggio r

A=2πr2A=2\pi r^2  

A=2πrA=2\pi r  

A=πr2A=\pi r^2  

A=π2r2A=\pi^2r^2  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Superficie di una sfera di raggio r

S=43πr2S=\frac{4}{3}\pi r^2  

S=4πr2S=4\pi r^2  

S=4πr3S=4\pi r^3  

S=2πr2S=2\pi r^2  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Volume di una sfera di raggio r

V=43πr3V=\frac{4}{3}\pi r^3  

V=43πr2V=\frac{4}{3}\pi r^2  

V=4πr3V=4\pi r^3  

V=34πr3V=\frac{3}{4}\pi r^3  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Funzione seno

sin⁡θ=bR\sin\theta=\frac{b}{R}  

sin⁡θ=aR\sin\theta=\frac{a}{R}  

θ=sin⁡(aR)\theta=\sin\left(\frac{a}{R}\right)  

sin⁡θ=Ra\sin\theta=\frac{R}{a}  

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