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Равнобедренный треугольник KLM ( KL =LM ) вписан в окружность . Угол при вершине L равен 30 ° . Найдите величины дуг KL LM КМ
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а можешь ещо с другими помочь аа пжлст просто сор и боюсь проволить с другими поможешь ааа
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Автор:
obie - 5 лет назад
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▪тр.КLM - равнобедренный,
угол К = угол М = (180° - 30°) : 2 = 75°
▪KL = LM => UKL = ULM = 2 • угол К = 2 • 75° = 150°
▪UKM = 2•30° = 60°
Желательно вспомнить , что такое вписанный угол, и знать её свойство.
ОТВЕТ: 150° ; 150° ; 60°.
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Автор:
tristan446 - 5 лет назад
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