
EN_S_II_1_Q10_01_Întrebări despre cercuri și unghiuri
Quiz
•
Mathematics
•
5th Grade
•
Hard
Matica Dan
FREE Resource
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
În figura alăturată, în cercul de centru O, sunt reprezentate punctele A, B și C. Unghiurile AOB, BOC și AOC sunt congruente. Măsura arcului mic AB este egală cu:
60°
90°
120°
180°
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un cerc are raza de 5cm. Lungimea unui arc de cerc corespunzător unui unghi la centru de 60° este:
5π/3 cm
10π/3 cm
5π cm
10π cm
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Într-un cerc, un arc de cerc măsoară 120°. Dacă raza cercului este de 8cm, atunci lungimea coardei care subîntinde acest arc este:
4cm
8cm
8√3 cm
16cm
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Într-un cerc, două coarde congruente subîntind arc de cerc:
congruente
suplementare
complementare
nu se poate determina
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Într-un cerc, un unghi înscris interceptrează un arc de cerc de 100°. Măsura unghiului înscris este:
50°
100°
180°
nu se poate determina
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Într-un cerc, un patrulater înscris are unghiuri opuse:
congruente
suplementare
complementare
nu se poate determina
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Într-un cerc, un diametru împarte cercul în două arce:
congruente
suplementare
complementare
nu se poate determina
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