Thank you for your letter! I'm glad to hear that you've passed your driving test! Congratulations!
I'm sorry I haven't written for such a long time. I've been really busy with my new project. By the way, thank you for your brilliant idea. I really had the best presentation last time. I really appreciated your advice.▪тр.КLM - равнобедренный,
Объяснение:
Dear Paul,
Thank you for your letter! I'm glad to hear that you've passed your driving test! Congratulations!
I'm sorry I haven't written for such a long time. I've been really busy with my new project. By the way, thank you for your brilliant idea. I really had the best presentation last time. I really appreciated your advice.▪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°.
Найдите допустимые значения переменной в выражении: 3x-7x(2x+5)