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Question (1)

QN009778

The area of a triangle is calculated by:

(A) Base × Height
(B) ½ × Base × Height
(C) Side × Side
(D) Base + Height

Correct Answer: B

Explanation:

Area of triangle = ½ × Base × Height.

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Question (2)

QN009779

A triangle has base 12 cm and height 8 cm. Its area is:

(A) 48 cm²
(B) 96 cm²
(C) 24 cm²
(D) 72 cm²

Correct Answer: A

Explanation:

Area = ½ × 12 × 8 = 48 cm².

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Question (3)

QN009780

The perpendicular distance from a vertex to the opposite side of a triangle is called:

(A) Median
(B) Altitude
(C) Diagonal
(D) Radius

Correct Answer: B

Explanation:

Altitude is the perpendicular distance from a vertex to the opposite side.

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Question (4)

QN009781

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

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

Correct Answer: B

Explanation:

Area is directly proportional to the base.

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Question (5)

QN009782

A triangle has area 54 cm² and base 9 cm. Its height is:

(A) 6 cm
(B) 9 cm
(C) 12 cm
(D) 15 cm

Correct Answer: C

Explanation:

½ × 9 × h = 54 ⇒ h = 12 cm.

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Question (6)

QN009783

Which expression represents the area of a triangle?

(A) bh
(B) 2bh
(C) ½bh
(D) b+h

Correct Answer: C

Explanation:

Area = ½ × base × height.

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Question (7)

QN009784

The area of a triangle with base 15 m and height 10 m is:

(A) 75 m²
(B) 150 m²
(C) 50 m²
(D) 300 m²

Correct Answer: A

Explanation:

Area = ½ × 15 × 10 = 75 m².

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Question (8)

QN009785

If the height of a triangle becomes half while base remains same, the area becomes:

(A) Double
(B) Half
(C) Triple
(D) Same

Correct Answer: B

Explanation:

Area becomes half when height becomes half.

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Question (9)

QN009786

A triangle has area 84 cm² and height 12 cm. Find the base.

(A) 7 cm
(B) 10 cm
(C) 14 cm
(D) 16 cm

Correct Answer: C

Explanation:

Base = (2 × 84) ÷ 12 = 14 cm.

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Question (10)

QN009787

Which unit is used to measure the area of a triangle?

(A) cm
(B) m
(C) cm²
(D) cm³

Correct Answer: C

Explanation:

Area is measured in square units.

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Question (1)

The area of a triangle is calculated by:

Explanation:

Link:

Question (2)

A triangle has base 12 cm and height 8 cm. Its area is:

Explanation:

Link:

Question (3)

The perpendicular distance from a vertex to the opposite side of a triangle is called:

Explanation:

Link:

Question (4)

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

Explanation:

Link:

Question (5)

A triangle has area 54 cm² and base 9 cm. Its height is:

Explanation:

Link:

Question (6)

Which expression represents the area of a triangle?

Explanation:

Link:

Question (7)

The area of a triangle with base 15 m and height 10 m is:

Explanation:

Link:

Question (8)

If the height of a triangle becomes half while base remains same, the area becomes:

Explanation:

Link:

Question (9)

A triangle has area 84 cm² and height 12 cm. Find the base.

Explanation:

Link:

Question (10)

Which unit is used to measure the area of a triangle?

Explanation:

Link:

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