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Objem a povrch - písomka

Authored by Dana Čopanová

Mathematics

9th Grade

Used 7+ times

Objem a povrch  - písomka
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5 questions

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1.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

Vypočítaj obsah podstavy valca, ktorého priemer podstavy je 20cm a výška valca je 12cm.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Vyber možnosť, v ktorej je správne zapísaný vzorec pre výpočet obsahu plášťa valca.

Sp = πr2Sp\ =\ \pi r^2

Spl =πr2Spl\ =\pi r^2

Spl = 2πrvSpl\ =\ 2\pi rv

Spl = 2πr2vSpl\ =\ 2\pi r^2v

Sp =2πrvSp\ =2\pi rv

3.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

Aký je objem valca, ktorý má obsah podstavy je 113,04cm2 a výška valca je 8cm.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Vyber vzorec pre výpočet objemu valca.

V = πrvV\ =\ \pi rv

V = 2πrvV\ =\ 2\pi rv

S = πr2vS\ =\ \pi r^2v

V = πr2vV\ =\ \pi r^2v

S = 2.Sp + SplS\ =\ 2.S_{p\ }+\ S_{pl}

5.

FILL IN THE BLANK QUESTION

3 mins • 1 pt

Aký vysoký je valec, ktorého povrch je 188,4cm2 a polomer jeho podstavy je 3cm

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