1. Care este formula teoremei cosinusului pentru unghiul ?
Teorema cosinusului

Quiz
•
Mathematics
•
12th Grade
•
Hard
Catalina Horeanu
Used 1+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
c² = a² + b² + 2ab cos C
a² = b² + c² - 2bc cos A
b² = a² + c² - 2ab cos B
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. Într-un triunghi ABC, lungimile laturilor sunt: AB=9 cm, AC=12 cm, iar unghiul A=600. Care este lungimea laturii BC?
5 cm
7 cm
313 cm
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3.Teorema cosinusului poate fi utilizată pentru a calcula unghiurile unui triunghi.
True
False
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4.Teorema cosinusului se aplică doar triunghiurilor cu un unghi drept.
True
False
5.
OPEN ENDED QUESTION
3 mins • 1 pt
5.In triunghi ABC, date fiind: cos C = 3/4, AB = 50, AC = 5 cm, calculați lungimea laturii BC folosind teorema cosinusului.
Evaluate responses using AI:
OFF
6.
OPEN ENDED QUESTION
3 mins • 1 pt
6.Triunghiul DEF are laturile DE = 5 cm, EF = 12 cm si unghiul E = 60°. Folositi teorema cosinusului pentru a calcula lungimea laturii DF.
Evaluate responses using AI:
OFF
Similar Resources on Quizizz
10 questions
Mate 3p intert

Quiz
•
12th Grade
10 questions
Măsurarea lungimii

Quiz
•
1st Grade - University
8 questions
Repaso Teorema de Thales

Quiz
•
4th Grade - University
9 questions
Triunghiul

Quiz
•
6th Grade - University
7 questions
Aplicații ale trigonometriei în geometrie

Quiz
•
9th - 12th Grade
10 questions
Kesebangunan dan Teorema Pythagoras

Quiz
•
10th Grade - University
10 questions
D2-Relações métricas no triângulo retângulo

Quiz
•
10th Grade - University
10 questions
3.4 Teorema de Pitágoras

Quiz
•
University
Popular Resources on Quizizz
15 questions
Multiplication Facts

Quiz
•
4th Grade
20 questions
Math Review - Grade 6

Quiz
•
6th Grade
20 questions
math review

Quiz
•
4th Grade
5 questions
capitalization in sentences

Quiz
•
5th - 8th Grade
10 questions
Juneteenth History and Significance

Interactive video
•
5th - 8th Grade
15 questions
Adding and Subtracting Fractions

Quiz
•
5th Grade
10 questions
R2H Day One Internship Expectation Review Guidelines

Quiz
•
Professional Development
12 questions
Dividing Fractions

Quiz
•
6th Grade