Understanding Elementary Shapes Test

Result

Understanding Elementary Shapes Test - 12

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Weekly Quiz Competition

Question 1
1 / -0

What is shape of cuboid in the following ?

A

B

C

D

Solution

correct answer is A..
Question 2
1 / -0

A quadrilateral is having _____.

A
one diagonal

B
two diagonals

C
three diagonals

D
four diagonals

Solution

A quadrilateral is a four-sided polygon.
Here, $$ABCD$$ is a quadrilateral having four sides $$AB,BC,CD$$ and $$AD$$
Diagonal is a line segment that goes from one corner to another.
The diagonals of quadrilateral $$ABCD$$ are $$AC$$ and $$BD$$.
$$\therefore$$ A quadrilateral is having two diagonals.
Question 3
1 / -0

Name of the the given shape is

A
Cone

B
Circle

C
Square

D
Sphere

Solution

It has 2 faces $$\rightarrow$$ 1 curved face and 1 flat face. It has 1 curved edge. it is Cone
Question 4
1 / -0

Following name of the shape is ---

A
Cylinder

B
Square

C
Sphere

D
Cube

Solution

It has four sides and four corners. All its sides are equal.
Question 5
1 / -0

What is shape of triangle in the following ?

A

B

C

D

Solution

Correct answer is B..
Question 6
1 / -0

$$\displaystyle 170^{0}$$ is an example of-

A
Acute

B
Right

C
Obtuse

D
None of these

Solution

angles greater than 90 degrees and less than 180 degrees are known as obtuse angles..
hence 170 degrees is an example of obtuse angle..
Question 7
1 / -0

If one angle of a triangle is equal to half the sum of the other two equal angles, then the triangle is

A
Isosceles

B
Scalene

C
Equilateral

D
Right-angled

Solution

$$\displaystyle \angle A=\frac { 1 }{ 2 } \left( \angle B+\angle C \right) $$
$$\displaystyle \angle A+\angle B+\angle C=\frac { 1 }{ 2 } \left( \angle B+\angle A \right) $$
$$\displaystyle or\quad \angle B+\angle C={ 90 }^{ o }or\angle A={ 90 }^{ o }$$
Question 8
1 / -0

Choose the false statement from the following ?

A
All sides of a square are equal

B
Cuboid is a three dimensional figure

C
A cuboid has 3 pairs of opposite faces

D
The number of vertices of a cube is 6

Solution

The number of vertices in a cube are 8.
Question 9
1 / -0

Which of the following is not a polygon?

A

B

C

D
None of these

Solution

A polygon is one that is made of straight-line segments and encloses a single area that is bounded by them.
Question 10
1 / -0

A triangle with one obtuse and two acute angles is called

A
right angled triangle

B
acute angled triangle

C
obtuse angled triangle

D
none

Solution

An obtuse triangle (or obtuse-angled triangle) is a triangle with one obtuse angle (greater than 90°) and two acute angles.
The sum of angles in a triangle must be 180° and no triangle can have more than one obtuse angle.
So option C is the correct answer.