Предмет: Геометрия, автор: btstaetae997

ПОМОГИТЕ ПОЖАЛУЙСТА ​

Приложения:

Simba2017: углы А и А1 равны, по 56
Simba2017: углы В и В1 тоже, по 180-(56+44)=80
Simba2017: k=A1B1/AB=4/5
Simba2017: B1C1=k*BC=4/5*7.5=6
btstaetae997: немного не поняла. В1С1- 6. а угол А1 и угол В1 ?
Simba2017: 56 и 80

Ответы

Автор ответа: Konstantin101216
1

Объяснение:

Соответствующие углы в подобных треугольниках равны, а соответствующие стороны пропорциональны, поэтому:

/_А¹=/_А=56°

/_В¹=/_В=180-56-44=80°

В¹С¹/ВС=А¹В¹/АВ

В¹С¹=(4/5)х7.5=6 см


Simba2017: неверно
Simba2017: стороны второго треугольника меньше первого
btstaetae997: помогите пожалуйста
btstaetae997: и со следующими заданиями
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