
Признаки подобия треугольников
Authored by Olga OAMoguleva
Mathematics
1st - 5th Grade
Used 22+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Укажите условия, при которых треугольники ABC и A1B1C1 были бы подобны по третьему признаку.
∠A=∠A1; ∠B=∠B1
∠A=∠A1; AB:A1B1=AC:A1C1
AB:A1B1=AC:A1C1=BC:B1C1
∠C=∠C1; AB:A1B1=BC:B1C1
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
1. У треугольников АВС и DEF равны углы А и D. Какого условия не достает для того, чтобы утверждать, что эти треугольники подобны по первому признаку:
∠C=∠F; ∠B=∠E
AB:DE=AC:DF
∠B=∠E
AB:DE=AC:DF=BC:EF
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
установите по рисунку, верно ли данное утверждение: треугольник ABC подобен треугольнику OEP
да
нет
не возможно установить
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
ΔABC~ΔA1B1C1, АВ=4, ВС=6, АС=7, А1В1=8. Сторона В1С1 равна
3
12
14
2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
5. В треугольниках ABC и A1B1C1 ∠A=∠A1; AB:A1B1=AC:A1C1=2:5. Если ВС=10, то В1С1 равна
25
4
5
50
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
да
нет
не возможно определить
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
В треугольниках АВС и KMN угол А равен углу N, угол В равен углу М. Назовите подобные треугольники .
ABC~ NMK
ABC~MNK
ABC~KMN
ABC~NKM
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