Предмет: Физика, автор: uracernenko14

Будласка в акаунті є ще

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Автор ответа: VHawkV

Ответ:

∠3 = 55°.

Объяснение:

Теорема. Если две параллельные прямые пересечены секущей, то накрест лежащие углы равны.

∠3 + ∠5 - накрест лежащие при пересечении параллельных прямых а и b секущей с, поэтому они равны. Т.к. ∠3 + ∠5 = 110°, то ∠3 = ∠5 = 110° / 2 = 55°.

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Будласка в акаунті є ще​

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Будласка в акаунті є ще