Edges
Trending Questions
Q. A polyhedron with 20 vertices and 30 faces, find the number of edges.
[1 Mark]
[1 Mark]
Q.
State true or false. The number of edges in a cube is 10
False
True
Q.
A polyhedron with 7 faces and 10 vertices will have ______ edges
2
14
19
15
Q. A vector →a has components 2p and 1 with respect to a rectangular cartesian system. This system is rotated through a certain angle about the origin in the counter clockwise sense. If, with respect to the new system. →a has components p + 1 and 1, then
- p=1 or p=−13
- p=−1 or p =13
- p = 0
- p=1 or p=−1
Q. The magnitude of the position vector of the point (3, 4) will be ___
Q.
I throw a ball with some force. The linear distance the ball covers is 30m. This physical quantity, distance of 30m is a vector quantity.
False
True
Q. Consider points A, B, C and D with position vectors
(6, −4, 7), (1, −6, 10), (−1, −3, 4)and(5, −1, 5) respectively. Then quad ABCD will have
(6, −4, 7), (1, −6, 10), (−1, −3, 4)and(5, −1, 5) respectively. Then quad ABCD will have
- four sides equal
- three sides equal
- two sides equal
- all the sides unequal
Q.
Which of the following quantities are vectors.
- 70 cm3
- 5 m/s
- 8m/s NE
- 70 cm to the right
- 25∘C
- 30N (force)
All of them
None of them
1, 2, 5 and 6
3, 4
Q. The number of edges in a match-box is .
- 8
- 10
- 12
Q. Find the number of edges and vertices of the given figure.
- Edges= 6 , Vertices =12
- Edges= 12 , Vertices =6
- Edges= 6 , Vertices =8
- Edges= 10 , Vertices =12