MCQ

MCQ 11 Mark

The order of rotational symmetry of an equilateral triangle is:

A
$0$
B
$1$
C
$2$
✓
$3$

Answer

Correct option: D.

$3$

The order of rotational symmetry of an equilateral triangle is $3$
i.e., $120^{\circ}, 240^{\circ}$, and $360^{\circ}$.
Hence, the correct answer is option $(d).$

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MCQ 21 Mark

The number of lines of symmetry of an equilateral triangle is:

A
$1$
B
$2$
✓
$3$
D
$0$

Answer

Correct option: C.

$3$

The number of lines of symmetry of an equilateral triangle is $3:$

Hence, the correct answer is option $(c).$

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MCQ 31 Mark

A rectangle has rotational symmetry of order:

A
$1$
B
$2$
C
$3$
✓
$4$

Answer

Correct option: D.

$4$

A rectangle has order of rotational symmetry of $2$
i.e., $180^{\circ}$ and $360^{\circ}$
Hence, the correct answer is option $(d).$

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MCQ 41 Mark

Which of the following is/ are point symmetric?

A
Rectangle.
B
Square.
C
Parallelogram.
✓
All of these.

Answer

Correct option: D.

All of these.

A point of symmetry is a point that represents a "center" of sorts for the figure.
Hence, the correct answer is option $(d).$

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MCQ 51 Mark

The number of lines of symmetry of a rectangle is:

✓
$2$
B
$3$
C
$4$
D
$1$

Answer

Correct option: A.

$2$

The number of lines of symmetry of a rectangle is $2.$

Hence, the correct answer is option $(a).$

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MCQ 61 Mark

Which of the following has an infinite number of lines of symmetry?

A
Equilateral triangle.
B
Isosceles triangle.
C
Regular hexagon.
✓
Circle.

Answer

Correct option: D.

Circle.

A circle has infinite number of lines of symmetry,

Hence, the correct answer is option $(d).$

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MCQ 71 Mark

The number of lines of symmetry of a square is:

A
$2$
B
$3$
✓
$4$
D
Infinite.

Answer

Correct option: C.

$4$

The number of lines of symmetry of a square is $4.$

Hence, the correct answer is option $(c).$

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MCQ 81 Mark

Which of the following has only $2$ lines of symmetry?

A
Equilateral triangle.
✓
Rhombus.
C
Circle.
D
None of these.

Answer

Correct option: B.

Rhombus.

The rhombus has only $2$ lines of symmetry.

Hence, the correct answer is option $(b).$

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MCQ 91 Mark

Which of the following is point symmetric?

A
Equilateral triangle.
B
Trapezium.
✓
Rectangle.
D
None of these.

Answer

Correct option: C.

Rectangle.

A point of symmetry is a point that represents a "center" of sorts for the figure.
Hence, the correct answer is option $(c).$

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MCQ 101 Mark

The number of lines of symmetry of an isosceles triangle is:

A
$0$
✓
$1$
C
$2$
D
$3$

Answer

Correct option: B.

$1$

The number of line of symmetry of an isosceles triangle is $1.$

Hence, the correct answer is option $(b).$

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