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Sukiniai

Authored by Danutė Augienė

Mathematics

11th Grade

Used 13+ times

Sukiniai
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kurie iš šių kūnų yra sukiniai?

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2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Ritinio pagrindo plotas yra

S =2πRS\ =2\pi R

S=πR2S=\pi R^2

S=πRHS=\pi RH

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Kūgio viso paviršiaus plotą apskaičiuosime pagal formulę

S=πr2+πrlS=\pi r^2+\pi rl

S=2πr+πrlS=2\pi r^{ }+\pi rl

S=πr2+2πrlS=\pi r^2+2\pi rl

S=2(πr2+πrl)S=2\left(\pi r^2+\pi rl\right)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kurio kūno tūris skaičiuojamas pagal formulę
 V=43πr3V=\frac{4}{3}\pi r^3  

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5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Ritinio šoninio paviršiaus plotas skaičiuojamas pagal formulę

S{sˇon.}=2πr2hS_{\left\{šon.\right\}}=2\pi r^2h

S{sˇon.}=πrhS_{\left\{šon.\right\}}=\pi rh

S{sˇon.}=πr2hS_{\left\{šon.\right\}}=\pi r^2h

S{sˇon.}=2πrhS_{\left\{šon.\right\}}=2\pi rh

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Apskaičiuokite rutulio viso paviršiaus plotą, rutulio spindulio ilgis yra 3 cm.

288π cm3288\pi\ cm^3

288π cm2288\pi\ cm^2

144π cm2144\pi\ cm^2

144π cm3144\pi\ cm^3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ritinio aukštis yra 4 cm, o pagrindo spindulio ilgis lygus 2 cm. Apskaičiuokite ritinio šoninio paviršiaus plotą.

16π cm216\pi\ cm^2

16π cm316\pi\ cm^3

32π cm332\pi\ cm^3

32π cm232\pi\ cm^2

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