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Question (21)

QN009838

The side of the square equivalent to a rectangle of area 121 cm² is:

(A) 9 cm
(B) 10 cm
(C) 11 cm
(D) 12 cm

Correct Answer: C

Explanation:

Side = √121 = 11 cm.

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Question (22)

QN009839

A rectangle with dimensions 14 cm × 14 cm is squared. The side of the square formed is:

(A) 12 cm
(B) 13 cm
(C) 14 cm
(D) 15 cm

Correct Answer: C

Explanation:

The rectangle is already a square.

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Question (23)

QN009840

If a rectangle is already a square, squaring it will:

(A) Change its area
(B) Double its area
(C) Keep it unchanged
(D) Halve its area

Correct Answer: C

Explanation:

No change occurs if the rectangle is already a square.

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Question (24)

QN009841

The square equivalent to a rectangle of area 64 cm² has perimeter:

(A) 16 cm
(B) 24 cm
(C) 32 cm
(D) 40 cm

Correct Answer: C

Explanation:

Side = 8 cm, perimeter = 4 × 8 = 32 cm.

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Question (25)

QN009842

A rectangle measures 45 cm × 5 cm. The side of the equal-area square is:

(A) 12 cm
(B) 13 cm
(C) 14 cm
(D) 15 cm

Correct Answer: D

Explanation:

Area = 225 cm², side = 15 cm.

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Question (26)

QN009843

Which concept is mainly used in squaring a rectangle?

(A) Cube root
(B) Square root
(C) Ratio
(D) Volume

Correct Answer: B

Explanation:

Square root helps find the side of the square.

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Question (27)

QN009844

A rectangle has area 324 cm². The side of the square with same area is:

(A) 16 cm
(B) 17 cm
(C) 18 cm
(D) 19 cm

Correct Answer: C

Explanation:

Side = √324 = 18 cm.

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Question (28)

QN009845

A rectangle 8 m × 18 m is converted into a square of equal area. The side of the square is:

(A) 10 m
(B) 11 m
(C) 12 m
(D) 13 m

Correct Answer: C

Explanation:

Area = 144 m², side = 12 m.

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Question (29)

QN009846

The side of the square equivalent to a rectangle of area 169 m² is:

(A) 11 m
(B) 12 m
(C) 13 m
(D) 14 m

Correct Answer: C

Explanation:

Side = √169 = 13 m.

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Question (30)

QN009847

A rectangle with dimensions 24 cm × 6 cm has the same area as a square of side:

(A) 10 cm
(B) 11 cm
(C) 12 cm
(D) 14 cm

Correct Answer: C

Explanation:

Area = 144 cm², side = 12 cm.

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Question (21)

The side of the square equivalent to a rectangle of area 121 cm² is:

Explanation:

Link:

Question (22)

A rectangle with dimensions 14 cm × 14 cm is squared. The side of the square formed is:

Explanation:

Link:

Question (23)

If a rectangle is already a square, squaring it will:

Explanation:

Link:

Question (24)

The square equivalent to a rectangle of area 64 cm² has perimeter:

Explanation:

Link:

Question (25)

A rectangle measures 45 cm × 5 cm. The side of the equal-area square is:

Explanation:

Link:

Question (26)

Which concept is mainly used in squaring a rectangle?

Explanation:

Link:

Question (27)

A rectangle has area 324 cm². The side of the square with same area is:

Explanation:

Link:

Question (28)

A rectangle 8 m × 18 m is converted into a square of equal area. The side of the square is:

Explanation:

Link:

Question (29)

The side of the square equivalent to a rectangle of area 169 m² is:

Explanation:

Link:

Question (30)

A rectangle with dimensions 24 cm × 6 cm has the same area as a square of side:

Explanation:

Link:

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