Riņķis un leņķi 9.kl.

Riņķis un leņķi 9.kl.

9th Grade

13 Qs

quiz-placeholder

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Riņķis un leņķi 9.kl.

Riņķis un leņķi 9.kl.

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Medium

Created by

Zanda Nelsone

Used 6+ times

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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

No dotajiem apgalvojumiem

A) riņķa centrs atrodas diametru krustpunktā;

B) riņķa centrs atrodas vienā no rādiusa galapunktiem;

C) riņķa centrs atrodas hordas un rādiusa krustpunktā;

patiesi ir

tikai A

A un B

tikai B

B un C

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sekante ir uzzīmēta

Media Image
Media Image
Media Image
Media Image

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Riņķa līnijas pieskare

veido taisnu leņķi ar sekanti;

veido taisnu leņķi ar rādiusu pieskaršanās punktā;

iet caur riņķa līnijas centru;

savieno divu riņķa līniju centrus.

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Ja

 AnC = 60°\cup AnC\ =\ 60\degree  , tad leņķa ABC lielums ir

 25°25\degree  

 30°30\degree  

 50°50\degree  

 120°120\degree  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Ja

 COK = 75°,\angle COK\ =\ 75\degree,  tad loka  CnKCnK   lielums ir

 75°75\degree  

 150°150\degree  

 37,5°37,5\degree  

 90°90\degree  

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

 COE\angle COE  lielums, ja O - riņķa līnijas centrs,  ir


 110°110\degree  

 35°35\degree  

 70°70\degree  

 55°55\degree  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

 Ja O  riņķa centrs, tad x irJa\ O\ -\ riņķa\ centrs,\ tad\ \angle x\ ir   

 36°36\degree  

 54°54\degree  

 72°72\degree  

 108°108\degree  

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