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Question (31)

QN009808

A triangular plot has area 225 m² and base 15 m. Its height is:

(A) 20 m
(B) 25 m
(C) 30 m
(D) 35 m

Correct Answer: C

Explanation:

Height = (2 × 225) ÷ 15 = 30 m.

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Question (32)

QN009809

A triangle with base 11 cm and height 8 cm has area:

(A) 44 cm²
(B) 88 cm²
(C) 176 cm²
(D) 22 cm²

Correct Answer: A

Explanation:

Area = ½ × 11 × 8 = 44 cm².

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Question (33)

QN009810

If the height of a triangle is tripled and base remains same, the area becomes:

(A) One-third
(B) Double
(C) Triple
(D) Four times

Correct Answer: C

Explanation:

Area is directly proportional to height.

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Question (34)

QN009811

The area of a triangular banner with base 14 m and height 9 m is:

(A) 63 m²
(B) 126 m²
(C) 36 m²
(D) 72 m²

Correct Answer: A

Explanation:

Area = ½ × 14 × 9 = 63 m².

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Question (35)

QN009812

A triangle divided into 40 equal unit squares has area:

(A) 20 square units
(B) 40 square units
(C) 60 square units
(D) 80 square units

Correct Answer: B

Explanation:

Area equals the number of unit squares covering it.

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Question (36)

QN009813

The area of a triangle with base 21 cm and height 12 cm is:

(A) 126 cm²
(B) 252 cm²
(C) 84 cm²
(D) 63 cm²

Correct Answer: A

Explanation:

Area = ½ × 21 × 12 = 126 cm².

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Question (37)

QN009814

A triangular sheet has area 150 cm² and base 15 cm. Its height is:

(A) 10 cm
(B) 15 cm
(C) 20 cm
(D) 25 cm

Correct Answer: C

Explanation:

Height = (2 × 150) ÷ 15 = 20 cm.

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Question (38)

QN009815

Which mathematical operation is mainly used to find the area of a triangle?

(A) Addition
(B) Subtraction
(C) Multiplication and division
(D) Division only

Correct Answer: C

Explanation:

Area requires multiplication and division by 2.

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Question (39)

QN009816

The product of base and corresponding height divided by 2 gives the:

(A) Perimeter
(B) Area
(C) Side length
(D) Altitude

Correct Answer: B

Explanation:

Area = ½ × base × height.

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Question (40)

QN009817

A triangular flag has base 28 cm and height 18 cm. Its area is:

(A) 126 cm²
(B) 252 cm²
(C) 504 cm²
(D) 1008 cm²

Correct Answer: B

Explanation:

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Question (31)

A triangular plot has area 225 m² and base 15 m. Its height is:

Explanation:

Link:

Question (32)

A triangle with base 11 cm and height 8 cm has area:

Explanation:

Link:

Question (33)

If the height of a triangle is tripled and base remains same, the area becomes:

Explanation:

Link:

Question (34)

The area of a triangular banner with base 14 m and height 9 m is:

Explanation:

Link:

Question (35)

A triangle divided into 40 equal unit squares has area:

Explanation:

Link:

Question (36)

The area of a triangle with base 21 cm and height 12 cm is:

Explanation:

Link:

Question (37)

A triangular sheet has area 150 cm² and base 15 cm. Its height is:

Explanation:

Link:

Question (38)

Which mathematical operation is mainly used to find the area of a triangle?

Explanation:

Link:

Question (39)

The product of base and corresponding height divided by 2 gives the:

Explanation:

Link:

Question (40)

A triangular flag has base 28 cm and height 18 cm. Its area is:

Explanation:

Link:

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