Окружность, вписанная в равнобедренный треугольник, касается его боковых сторон в точках K и A. Точка K делит сторону этого треугольника на отрезки 15 и 10, считая от основания. Найдите длину отрезка KA.

 

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Упр. 309. Передайте следующие предложения в косвенной речи.

1. "Don't cross the street under the red light," said the man to Nick. 2. "I took a very good book from our library yesterday," said Mike to his father. 3. "Come to my house tomorrow, Jane," said Lena. 4. "Where are your books, Betsy?" said her mother. 5. "Do you like my pies. Ann?" asked her grandmother. 6. "Sit down at the table and do your homework," said Tom's mother to him. 7. "What did you do at school yesterday, John?" said his father. 8. "Will you play the piano today, Helen?" asked her aunt. 9. My uncle said: "We shall visit you next week."