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Question (21)

QN0018700

A square has side 12 cm. Its perimeter equals:

(A) 24 cm
(B) 36 cm
(C) 48 cm
(D) 144 cm

Correct Answer: C

Explanation:

Perimeter = 4 × 12 = 48 cm.

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Question (22)

QN0018701

In a rectangle, AC and BD intersect at O. If BO = 9 cm, then BD =

(A) 4.5 cm
(B) 9 cm
(C) 18 cm
(D) 36 cm

Correct Answer: C

Explanation:

O is midpoint of BD, so BD = 18 cm.

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Question (23)

QN0018702

The diagonals of a square are:

(A) Equal and perpendicular
(B) Unequal and perpendicular
(C) Equal but do not bisect each other
(D) Parallel

Correct Answer: A

Explanation:

Square diagonals are equal and meet at 90°.

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Question (24)

QN0018703

Which property is unique to a square among rectangles?

(A) Opposite sides are equal
(B) Angles are 90°
(C) All sides are equal
(D) Diagonals bisect each other

Correct Answer: C

Explanation:

Only a square has all sides equal.

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Question (25)

QN0018704

In a square, each diagonal bisects the vertex angle into:

(A) 30° and 60°
(B) 45° and 45°
(C) 20° and 70°
(D) 90° and 0°

Correct Answer: B

Explanation:

Each 90° angle is divided into two 45° angles.

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Question (26)

QN0018705

A square has diagonal length 8 cm. The other diagonal measures:

(A) 4 cm
(B) 8 cm
(C) 16 cm
(D) Cannot be determined

Correct Answer: B

Explanation:

Diagonals of a square are equal.

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Question (27)

QN0018706

Which statement is correct?

(A) Every rectangle is a square
(B) Every square is a rectangle
(C) No square is a rectangle
(D) Rectangle and square are unrelated

Correct Answer: B

Explanation:

A square satisfies all properties of a rectangle.

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Question (28)

QN0018707

If two equal diagonals bisect each other at right angles, the quadrilateral formed is a:

(A) Rectangle only
(B) Square
(C) Trapezium
(D) Kite only

Correct Answer: B

Explanation:

Equal diagonals bisecting at 90° form a square.

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Question (29)

QN0018708

A square has one angle equal to 90°. The remaining three angles are:

(A) 45°, 45°, 180°
(B) 90°, 90°, 90°
(C) 60°, 60°, 60°
(D) Cannot be determined

Correct Answer: B

Explanation:

All angles of a square are 90°.

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Question (30)

QN0018709

In a square, if one side is 14 cm, the opposite side is:

(A) 7 cm
(B) 14 cm
(C) 28 cm
(D) 56 cm

Correct Answer: B

Explanation:

All sides of a square are equal.

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Question (21)

A square has side 12 cm. Its perimeter equals:

Explanation:

Link:

Question (22)

In a rectangle, AC and BD intersect at O. If BO = 9 cm, then BD =

Explanation:

Link:

Question (23)

The diagonals of a square are:

Explanation:

Link:

Question (24)

Which property is unique to a square among rectangles?

Explanation:

Link:

Question (25)

In a square, each diagonal bisects the vertex angle into:

Explanation:

Link:

Question (26)

A square has diagonal length 8 cm. The other diagonal measures:

Explanation:

Link:

Question (27)

Which statement is correct?

Explanation:

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Question (28)

If two equal diagonals bisect each other at right angles, the quadrilateral formed is a:

Explanation:

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Question (29)

A square has one angle equal to 90°. The remaining three angles are:

Explanation:

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Question (30)

In a square, if one side is 14 cm, the opposite side is:

Explanation:

Link:

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