Diametrul unui cerc cu raza de 4 cm este egal cu:
Test - Cercul

Quiz
•
Mathematics
•
6th Grade
•
Medium
Oana Tanchis
Used 5+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2 cm
4 cm
8 cm
12 cm
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Segmentul care uneste centrul cercului cu un punct de pe cerc se numeste:
diametrul
coarda
tangenta
raza
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Coarda care trece prin centrul cercului se numeste:
raza
diametru
arc de cerc
tangenta
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dreapta care are un punct comun cu un cerc se numeste:
tangenta
secanta
coarda
diametru
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Masura arcului AB reprezinta 40% din masura unui cerc. Masura unghiului la centru AOB este:
144⁰
110⁰
114⁰
100⁰
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Se considera cercurile C1(O1, r1) si C2(O2, r2), r1=4cm, r2=6cm, O1O2=8cm. Cercurile sunt:
tangente interioare
tangente exterioare
secante
concentrice
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Punctele A, B, C sunt situate pe un cerc astfel incat arcul AC are 110⁰, iar AB este diametru. Masura arcului mare BAC este egala cu:
290⁰
200⁰
70⁰
250⁰
8.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Daca punctele A,B ∊ C(O, r) astfel incat unghiul AOB=47⁰, atunci masura arcului mare AB este:
137⁰
47⁰
133⁰
313⁰
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