Three dimensional figures
Class 9
1)
What
is the relationship between faces
,edge,and vertex
a)
F-E+v=2
b)
F+E-V=2
c)
F-V+E=2
d)
F+2-E=3
2)
What
is the value of F+v-E for a hexagonal prism.?
A)
2
B)
3
C)
4
D)
5
3)
An
iscohedron has 30 edges and 12 vertices how many faces does It have ?
a)
20
faces
b)
34
c)
12
d)
14
4)
A
poly hedron made up of 12 triangular
faces . how many vertices does the polyhedron have?
a)
6
b)
8
c)
6
d)
5
5)
Is it possible to have a polyhedron with 7
edges?
a)
Yes
b)
No
c)
Not
defined
d)
Cant
determined
Class 9
1)
An
octahedron has 8 faces and 12 edges. How many vertices does it have?
a)
6
b)
5
c)
4
d)
7
2)
An tetrahedron 4 vertices 6 edges. how many
faces does it have?
a)
4
b)
5
c)
7
d)
3
3)
In
rectangular pyramid. How many triangular faces
a)
4
b)
3
c)
5
d)
6
4)
In
square prism number of edge is 12and number of faces is 6 find vertex.
a)
6
b)
7
c)
8
d)
4
5)
How
many faces are there whose base is polygon of n sides.
a)
N+1
b)
N+2
c)
3n
d)
n+3
6)
In
pentagonal pyramid edges 10 and faces is 6 then how many vertices.
a)
5
b)
6
c)
7
d)
8
