Faces, Edges and Vertices

Q.

The corners of a solid shape are called its _________; the line segments of its skeleton are called its ___________; and its flat surfaces are its ________. The respective blanks should be filled by:

1. edges, faces, vertices

2. vertices, edges, faces

3. vertices, faces, edges

4. faces, edges, vertices

Q.

Consider the figure (square pyramid mounted over cube):

Let the number of faces be F, the number of edges be E and number of vertices be V.

Then F = V. (True/False)

1. False

2. True

Q.

Consider the net figure of a rectangular pyramid:

Let the number of edges be E and number of vertices be V (in the 2-D figure: take edges as the intersection lines and vertices as intersection points of the lines).Then the value of E + V is 24. True/False?

1. True

2. False

Q. How many dimensions does a solid have?

1. 0
2. 1
3. 2
4. 3

Q. The opposite faces of a dice always have a total of ___ on them.

1. $6$
2. $7$
3. $9$
4. $8$

Q.

Find the number of edges in a match-box

__.

Q. Consider the figure (pyramid mounted over cube):

If the number of faces, number of edges and number of vertices be F, E and V respectively, then find the value of $F+E+V$.

1. $32$
2. $30$
3. $28$
4. $34$

Q. What will be the number of edges if there are $6$ faces and $12$ vertices?

1. $12$
2. $14$
3. $16$
4. $18$

Q. Three cubes of dimensions $5cm\times 5cm\times 5cm$ are placed side by side. The length of resulting cuboid is:

1. $15cm$
2. $9cm$
3. $6cm$
4. $12cm$

Q. How many vertex/vertices does a cone have?

1. $2$
2. $3$
3. $4$
4. $1$