Вопрос школьника по предмету Математика
Найди угол между касательной и секущей к окружности, если точка касания делит заключенную внутри этого угла дугу окружности на две части, равные 92 градуса и 22 градуса Ответ — 35 градусов
Ответ учителя по предмету Математика
онцы секущей-хорды А и В соеденим с центром О
угол ВОА=54* углы ОАВ и ОВА=(180*-54*):2=63*
искомый угол=90*+63*=153*
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