Сумма углов треугольника. Параллельные прямые
Quiz
•
Mathematics
•
12th Grade
•
Practice Problem
•
Hard
Marina Dmytrenko
Used 80+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Какова градусная мера суммы двух внутренних односторонний углов при параллельных прямых и секущей?
60°
90°
180°
Невозможно узнать
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Какова градусная мера суммы внешних углов треугольника, взятых по одному при каждой вершине?
90°
180°
360°
Невозможно узнать
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Закончите предложение, чтобы получилось верное утверждение. "В прямоугольнм треугольнике сумма острых углов равна..."
180°
90°
360°
Невозможно узнать
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Какая сторона треугольника ABC является наибольшей, если угол А = 50°, угол В = 40°?
ВС
АС
АВ
Другой вариант
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
В треугольнике АВС угол А=50°, угол С=60°. Найти угол В.
90°
70°
110°
Другой вариант
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
По рисунку найти угол 2, если c||d.
107°
17°
73°
Другой вариант
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
На рисунке разность углов альфа и бетта равна 40°. Найти угол бетта.
70°
110°
140°
Другой вариант
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