Стороны треугольника относятся как 2:5:4; периметр подобного ему треугольника равен 55. Определите стороны второго треугольника.
Тест по теме "Подобные треугольники." вариант №2

Quiz
•
Mathematics
•
9th Grade
•
Easy
Yelnur Ospanov
Used 1+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 3 pts
5, 10, 20
10, 20, 25
10, 25, 20
25, 20, 10
2.
MULTIPLE CHOICE QUESTION
2 mins • 4 pts
2; 2,2
3; 1,2
1,8; 2,4
-3; -1,2
3.
OPEN ENDED QUESTION
3 mins • 3 pts
Дан треугольник ABC и внутри него отрезок DE, параллельный AC (D на AB, E на BC).Определите длину DE, если AC=20, AB=17 и BD=11.9.
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4.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
1; 3
2; 4
5; 7
5.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
79
85
86
141
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