Ответ:
Объяснение:
φ = 180° - (γ + β)
φ = 180° - (α + β) = 180° - (α + 2α) = 180° - 3α =
= 180° - 3·23° = 111°
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Ответ:
Объяснение:
φ = 180° - (γ + β)
φ = 180° - (α + β) = 180° - (α + 2α) = 180° - 3α =
= 180° - 3·23° = 111°