kruh, kružnice

kruh, kružnice

8th Grade

10 Qs

quiz-placeholder

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kruh, kružnice

kruh, kružnice

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

Created by

Hana Hedbávná

Used 11+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Vzorec pro obsah kruhu je

 π.r2\pi.r^2  

  π.d2\pi.d^2  

 π.d\pi.d  

 2.π.r2.\pi.r  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kruh má průměr 2 metry. Jaký je jeho obsah?

3,14 m2

6,28 m2

12,56 m2

31,4 m2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kruh má obsah 314 cm2. Jaký je jeho poloměr?

1 cm

2 cm

10 cm

100 cm

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Odhadni přibližný výsledek poloměru kruhu, jehož obsah je 100 cm2.

5 cm

11 cm

31 cm

56 cm

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kruh má obsah 3,14 dm2. Jaký je jeho průměr?

200 cm

20 cm

10 cm

1 cm

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Vyber všechny možnosti pro výpočet obvodu kruhu:

π.r\pi.r

π.d\pi.d

2.π.r2.\pi.r

2.π.d2.\pi.d

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Vyber vzorec pro výpočet poloměru kružnice, známe-li její délku:

 o2.π\frac{o}{2.\pi}  

 2.π.r2.\pi.r  

 oπ\frac{o}{\pi}  

 Sπ\frac{S}{\pi}  

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