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Question (11)

QN009788

A triangle and a parallelogram have the same base and height. The area of the triangle is:

(A) Double the parallelogram
(B) Half the parallelogram
(C) Equal to the parallelogram
(D) Four times the parallelogram

Correct Answer: B

Explanation:

Area of triangle = ½ × area of parallelogram.

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Question (12)

QN009789

The area of a triangle with base 20 cm and height 9 cm is:

(A) 90 cm²
(B) 180 cm²
(C) 45 cm²
(D) 360 cm²

Correct Answer: A

Explanation:

Area = ½ × 20 × 9 = 90 cm².

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Question (13)

QN009790

Which statement is correct about area?

(A) It is measured in linear units
(B) It measures boundary length
(C) It is measured in square units
(D) It depends only on perimeter

Correct Answer: C

Explanation:

Area is always measured in square units.

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Question (14)

QN009791

A triangle has area 63 cm² and base 9 cm. Its height is:

(A) 7 cm
(B) 9 cm
(C) 12 cm
(D) 14 cm

Correct Answer: D

Explanation:

Height = (2 × 63) ÷ 9 = 14 cm.

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Question (15)

QN009792

If both base and height of a triangle are doubled, the area becomes:

(A) Double
(B) Triple
(C) Four times
(D) Eight times

Correct Answer: C

Explanation:

Area becomes 2 × 2 = 4 times.

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Question (16)

QN009793

The area of a triangle with base x and height y is:

(A) xy
(B) x+y
(C) ½xy
(D) 2xy

Correct Answer: C

Explanation:

Area = ½xy.

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Question (17)

QN009794

A triangular board has base 18 cm and height 7 cm. Its area is:

(A) 63 cm²
(B) 126 cm²
(C) 25 cm²
(D) 72 cm²

Correct Answer: A

Explanation:

Area = ½ × 18 × 7 = 63 cm².

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Question (18)

QN009795

A triangle has area 96 m² and height 8 m. Find its base.

(A) 12 m
(B) 18 m
(C) 24 m
(D) 30 m

Correct Answer: C

Explanation:

Base = (2 × 96) ÷ 8 = 24 m.

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Question (19)

QN009796

Which quantity must be perpendicular to the base while finding area?

(A) Side
(B) Altitude
(C) Perimeter
(D) Angle

Correct Answer: B

Explanation:

Altitude must be perpendicular to the base.

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Question (20)

QN009797

The area of a triangle with base 25 cm and height 16 cm is:

(A) 100 cm²
(B) 200 cm²
(C) 400 cm²
(D) 800 cm²

Correct Answer: B

Explanation:

Area = ½ × 25 × 16 = 200 cm².

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Question (11)

A triangle and a parallelogram have the same base and height. The area of the triangle is:

Explanation:

Link:

Question (12)

The area of a triangle with base 20 cm and height 9 cm is:

Explanation:

Link:

Question (13)

Which statement is correct about area?

Explanation:

Link:

Question (14)

A triangle has area 63 cm² and base 9 cm. Its height is:

Explanation:

Link:

Question (15)

If both base and height of a triangle are doubled, the area becomes:

Explanation:

Link:

Question (16)

The area of a triangle with base x and height y is:

Explanation:

Link:

Question (17)

A triangular board has base 18 cm and height 7 cm. Its area is:

Explanation:

Link:

Question (18)

A triangle has area 96 m² and height 8 m. Find its base.

Explanation:

Link:

Question (19)

Which quantity must be perpendicular to the base while finding area?

Explanation:

Link:

Question (20)

The area of a triangle with base 25 cm and height 16 cm is:

Explanation:

Link:

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