Understanding Elementary Shapes Test

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Understanding Elementary Shapes Test - 13

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Question 1
1 / -0

Triangle has _______ sides and three vertices.

A
Three

B
Four

C
Two

D
Six

Solution

A polygon made up of three sides is known as triangle.
Question 2
1 / -0

Square has ________ sides and four corners---

A
Three

B
Four

C
Two

D
One

Solution

square has 4 sides and four corners
Question 3
1 / -0

Cylinder has _________ curved edges.

A
4

B
2

C
3

D
1

Solution

A cylinder has two curved edges, where the cylinderical part meets the circular base and the top.
Question 4
1 / -0

What is shape of square in the following ?

A

B

C

D

Solution

correct answer is A option
Question 5
1 / -0

Cuboid has _______ flat faces.

A
$$4$$

B
$$5$$

C
$$6$$

D
$$3$$

Solution

A cuboid has $$6$$ flat square faces.

Hence, option C is correct.
Question 6
1 / -0

Cube has $$6$$ flat faces and _________ straight edges.

A
$$6$$

B
$$8$$

C
$$10$$

D
$$12$$

Solution

cube has $$12$$ edges.
Question 7
1 / -0

Which of the following figure has six faces?

A

B

C

D

Solution

Out of the given figures, we can see that the figure in option B has $$3$$ faces visible from the front. It will have $$3$$ more faces opposite to the visible faces.

Hence, option B is correct.
Question 8
1 / -0

A polygon is classified by the number of ____ they have.

A
angles

B
sides

C
diagonals

D
by the interior space

Solution

The polygon is classified by the number of sides.
Example: A $$3$$ sided figure is a triangle.
A $$4$$ sided figure is a quadrilateral.
Therefore, option $$C$$ is the correct answer.
Question 9
1 / -0

How many edges are there in a cuboid?

A
3

B
4

C
5

D
6

E
12

Solution

By elders formula the numbers of faces F, of vertices V, and of edges E of any convex polyhedron are related by the formula F + V = E + 2. In the case of a cuboid this gives 6 + 8 = 12 + 2; that is, like a cube, a cuboid has 6 faces, 8 vertices, and 12 edges.
Question 10
1 / -0

There are ____ number of polygons.

A
infinite

B
finite

C
four

D
three

Solution

We classify the polygons by their number of sides.
So, it can be any number only it should have line segments and it should be a closed figure.
Therefore, $$A$$ is the correct answer.