Предмет: Геометрия, автор: Аноним

Знайдіть градусну міру кута х: ​

Приложения:

Ответы

Автор ответа: nisyy
2

Ответ:

Г 20°

Объяснение:

1) ∠1 (20°) спирається на дугу (нехай буде AB), отже дорівнює ії половині (за теоремою про вписані кути)

2)∠x теж спирається на дугу AB, отже дорівнює іх половині, ⇒∠x=∠1=20°

сподіваюсь, допомогла)

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