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Взаимно положение на две окръжности
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Взаимно положение на две окръжности. Саша Янева. О 1. Окръжности. O 1 O 2 = d – централа k 2 (O 2 , R ) k 1 ( О 1 , r ). О 2. О 1. О 2. Концентрични окръжности. О 1 = О 2 d = 0. О 1. О 2. Вътрешна окръжност. d < R – r. О 1. О 2.
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Взаимно положение на две окръжности
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Взаимно положение на две окръжности Саша Янева
О1 Окръжности O1O2=d – централа k2 (O2,R) k1(О1, r) О2
О1 О2 Концентрични окръжности О1 = О2 d = 0
О1 О2 Вътрешна окръжност d < R – r
О1 О2 Вътрешно допирни окръжности d = R – r
О1 О2 Пресичащи се окръжности R – r < d < R + r
О1 О2 Външно допирни окръжности d=R + r
О1 О2 Външна окръжност d > R + r
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