
CERCUL

Quiz
•
Mathematics
•
7th Grade
•
Hard
LILIANA FARCAŞIU
Used 1+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Fie C(O;R) din figura de mai sus. Atunci [MN] este:
Coardă
Arc de cerc
Rază
Diametru
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3.
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°
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Patrulaterul ABCD din figura alăturată este înscris în C(O; R). Atunci m(∢B)+m(∢D) este egală cu:
180°
360°
200°
poate avea mai multe valori
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Dacă punctele M si N sunt diametral opuse pe un cerc, atunci măsura arcului MN este
900
1800
3600
00
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dacă punctele A și B sunt pe cerc, atunci segmentul AB este ...
diametrul
coardă
secantă
tangentă
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Segmentul care unește centrul cercului cu un punct de pe cerc se numește...
coardă
diametru
rază
tangentă
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