Предмет: Математика, автор: mahamaria2009

помогите пожалуйста

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Автор ответа: сок111213

0

<В = 90° - <А = 90° - 60° = 30°

рассмотрим треугольник ВСМ:

<В = 30° -> СМ = 1/2 ВМ = 1/2 × 7,7 = 3,85 см

Ответ: СМ = 3,85 см

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