Конус и его элементы

Quiz
•
Mathematics
•
3rd Grade
•
Hard
Татьяна Дегтярева
Used 4+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Осевым сечением конуса является
Правильный треугольник
Круг
Прямоугольник
Равнобедренный треугольник
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Из предложенных тел выберите тела вращения
Шар
Пирамида
Конус
Призма
Усеченная пирамида
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Как называется отрезок, соединяющий вершину конуса с центром основания?
Образующая
Высота
Диаметр
Радиус
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
В основании конуса лежит
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Как связаны между собой образующая (l), радиус (r) и высота (h) конуса?
l² = r² + h²
l = r + h
r² = l² + h²
h² = l² + r²
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Чему равна площадь боковой поверхности конуса?
πr²
πrl
2πrh
πrh
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Чему равна площадь полной поверхности конуса?
πrl
πr² + πrl
2πrh + πr²
2πr² + πrl
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