Kūgio paviršiaus plotas ir tūris

Kūgio paviršiaus plotas ir tūris

9th - 10th Grade

22 Qs

quiz-placeholder

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Kūgio paviršiaus plotas ir tūris

Kūgio paviršiaus plotas ir tūris

Assessment

Quiz

Mathematics

9th - 10th Grade

Practice Problem

Hard

Created by

Miglė Kavaliauskė

Used 19+ times

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22 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tik viena lygybė teisinga

r = d:2

d = r:2

r=2·d

d= r

2.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

Apskaičiuokite kūgio viso paviršiaus plotą, kai žinomas jo pagrindo plotas lygus 2,3 ir šoninio paviršiaus plotas lygus 7,5.

3.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

Apskaičiuokite kūgio šoninio paviršiaus plotą, jeigu pagrindo spindulys lygus 2, o sudaromoji 4, kai  π=3\pi=3  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kūgio pagrindo plotas apskaičiuojamas pagal formulę.

πr2\pi r^2

πrl\pi rl

πrh\pi rh

13πr2h\frac{1}{3}\pi r^2h

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Su formule  πrl\pi rl  apskaičiuojamas ?

Pagrindo plotas

Šoninis paviršius

Visas paviršius

Tūris

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kuri formulė netinka skaičiuoti kūgio tūriui?

V=13πr2hV=\frac{1}{3}\pi r^2h

V=πr2h3V=\frac{\pi r^2h}{3}

V=13πr2lV=\frac{1}{3}\pi r^2l

V=13SpagrindohV=\frac{1}{3}S_{pagrindo}h

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Koks kūgio pagrindo plotas?

9π9\pi

12π12\pi

15π15\pi

20π20\pi

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