Сфера и шар. Вариант 1
Quiz
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
Ирина Быстрицкая
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7 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Найдите координаты центра и радиуса сферы, заданной уравнением
O(2; 3; 0), R=5
O(-2; 3; 0), R=5
O(2; -3; 0), R=25
O(2; -3; 0), R=5
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Составьте уравнение сферы радиуса R=7 с центром в точке A(2; 0; -1)
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Лежит ли точка B(-2; 1; 4) на сфере, заданной уравнением ?
да
нет
не всегда
не знаю
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Точки A и B принадлежат сфере. Принадлежит ли этой сфере любая точка отрезка AB?
да
нет
не знаю
не всегда
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Могут ли все вершины прямоугольного треугольника с катетами 4 и лежать на сфере радиуса ?
да
нет
не знаю
не всегда
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Формула площади круга
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Найдите координаты центра и радиус сферы заданной уравнением
(-1; -1; 0), R=
(1; -1; 0), R=2
(-1; 1; 0), R=
(-1; 1; 0), R=2
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