Hai mặt phẳng vuông góc
Quiz
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
Ha NBS
Used 35+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
.
Có thể suy ra MN vuông góc với mặt phẳng nào ?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cho hình chóp S.ABCD,
Có thể suy ra AB vuông góc với cạnh nào ?
SA
SB
SD
CD
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cho hình chóp S.ABCD, đáy.
Góc giữa mp(SAB) và mp(SAC) là ?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Để chứng minh 2 mặt phẳng vuông góc, ta cần chứng minh mặt phẳng này chứa.....?......đường thẳng vuông góc với mặt phẳng kia .
1
2
3
vô số
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cho hình lập phương ABCD.A'B'C'D'. Góc giữa hai đường thẳng AC và A'D bằng
450
600
900
300
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Hai mặt phẳng được gọi là vuông góc nếu góc giữa chúng bằng ...
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Cho hình chóp tứ giác đều S.ABCD. O là giao điểm của 2 đường chéo AC, BD. Hỏi SO vuông với
BC
SA
(ABCD)
SC
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