треугольник --- углы

Quiz
•
Mathematics
•
9th Grade
•
Easy
Alya Atangulova
Used 1+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
В треугольнике два угла равны 68∘ и 67∘. Найдите его третий угол. Ответ дайте в градусах.
68
67
135
45
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
В треугольнике ABC известно, что AB=BC, ∠ABC=122∘. Найдите ∠BCA. Ответ дайте в градусах.
122
61
29
58
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
В треугольнике два угла равны 45∘ и 70∘. Найдите его третий угол. Ответ дайте в градусах.
65
70
45
75
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
В треугольнике ABC известно, что AC=BC, ∠ABC=98∘. Найдите ∠BCA. Ответ дайте в градусах.
49
41
29
61
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
В треугольнике два угла равны 30∘ и 50∘. Найдите его третий угол. Ответ дайте в градусах.
100
80
70
60
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