Вопрос школьника по предмету Математика
Что такое r в математике
Ответ учителя по предмету Математика
Радиус окружности. Ра́диус (лат. radius — спица колеса, луч) — отрезок, соединяющий центр окружности (или сферы) с любой точкой, лежащей на окружности (или поверхности сферы), а также длина этого отрезка. Радиус составляет половину диаметра.
Похожие вопросы от пользователей
1)A ship carrying 350 tons of rice, water, tinned fish and other supplies arrived at Nias, Indonesia today, and we have already started distributing food to the people. Unfortunately, cracked roads and collapsed bridges are making it very difficult. In the meantime, we keep searching for more survivors. In the early hours of Thursday, we managed to find a 13-year-old girl who was still alive. She had been buried underneath a five-storey building for 52 hours. Jason
2)An earthquake that occurred at 07:59 local time under the Indian Ocean generated the biggest tsunami the world has seen in the last 40 years. The massive waves have killed over 10,000 people in southern Asia. Thousands have lost their homes. This must be one of the worst natural disasters in recent history. Alex
А) влажную кожу
Б) внутренний скелет
В) половое размножение
Г) наружное оплодотворение