CERC elemente
Quiz
•
Mathematics
•
7th - 8th Grade
•
Practice Problem
•
Medium
+1
Standards-aligned
Raluca Dumit
Used 92+ times
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fie un cerc C(O,4) .Ce reprezinta 4 pentru cerc?
coardă
arc
rază
diametru
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Fie C(O;R) din figura alăturată. Atunci [OA] este:
Coardă
Diametru
Rază
Arc de cerc
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Fie C(O;R) din figura alăturată. Atunci [MN] este:
Coardă
Arc de cerc
Rază
Diametru
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Pe C(O;R) cu R=4 cm din figura alăturată, măsura unghiului AOB este egală cu 60o. Lungimea coardei [AB] este egală cu:
8 cm
4 cm
cm
cm
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Fie punctele A, B pe C(O;R) din figura alăturată, astfel încât măsura unghiului AOB este egală cu 130o. Măsura unghiului ACB este egală cu:
130o
180o
50o
65o
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Fie A,B∊C(O; 8 cm) din figura alăturată. Dacă m(∢AOB)=120°, atunci măsura ∢OAB este egală cu:
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Punctele A,B,C,D∊C(O; R) ca în figura alăturată. Dacă arcul AB are 100°, arcul BC are 140° și arcul CD are 50°, atunci arcul AD are:
100°
80°
90°
70°
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