Default Title

Question (11)

QN0016277

A triangle has sides 4 cm, 5 cm and 6 cm. It is:

(A) Equilateral
(B) Isosceles
(C) Scalene
(D) Acute only

Correct Answer: C

Explanation:

All sides are different.

Link:

Report Error

Question (12)

QN0016278

Which of the following can be an equilateral triangle?

(A) 6 cm, 6 cm, 6 cm
(B) 6 cm, 6 cm, 8 cm
(C) 5 cm, 7 cm, 9 cm
(D) 8 cm, 9 cm, 10 cm

Correct Answer: A

Explanation:

All sides are equal.

Link:

Report Error

Question (13)

QN0016279

A triangle has angles 60°, 60° and 60°. It is:

(A) Scalene
(B) Right-angled
(C) Equilateral
(D) Obtuse-angled

Correct Answer: C

Explanation:

All angles are equal.

Link:

Report Error

Question (14)

QN0016280

A triangle has angles 90°, 45° and 45°. It is:

(A) Right-angled
(B) Acute-angled
(C) Obtuse-angled
(D) Equilateral

Correct Answer: A

Explanation:

One angle is 90°.

Link:

Report Error

Question (15)

QN0016281

A triangle has angles 120°, 30° and 30°. It is:

(A) Acute-angled
(B) Right-angled
(C) Obtuse-angled
(D) Equilateral

Correct Answer: C

Explanation:

One angle is greater than 90°.

Link:

Report Error

Question (16)

QN0016282

Which of the following is an acute-angled triangle?

(A) 40°, 60°, 80°
(B) 90°, 50°, 40°
(C) 110°, 40°, 30°
(D) 100°, 50°, 30°

Correct Answer: A

Explanation:

All angles are less than 90°.

Link:

Report Error

Question (17)

QN0016283

A triangle has sides 10 cm, 10 cm and 14 cm. It is:

(A) Equilateral
(B) Isosceles
(C) Scalene
(D) Right-angled

Correct Answer: B

Explanation:

Two sides are equal.

Link:

Report Error

Question (18)

QN0016284

A triangle has sides 12 cm, 13 cm and 14 cm. It is:

(A) Equilateral
(B) Isosceles
(C) Scalene
(D) Right-angled

Correct Answer: C

Explanation:

All sides are unequal.

Link:

Report Error

Question (19)

QN0016285

Which triangle has all sides equal and all angles equal?

(A) Scalene
(B) Isosceles
(C) Equilateral
(D) Obtuse-angled

Correct Answer: C

Explanation:

Equilateral triangles have equal sides and equal angles.

Link:

Report Error

Question (20)

QN0016286

A triangle has angles 70°, 60° and 50°. It is:

(A) Acute-angled
(B) Right-angled
(C) Obtuse-angled
(D) Isosceles

Correct Answer: A

Explanation:

All angles are less than 90°.

Link:

Report Error

Question (11)

A triangle has sides 4 cm, 5 cm and 6 cm. It is:

Explanation:

Link:

Question (12)

Which of the following can be an equilateral triangle?

Explanation:

Link:

Question (13)

A triangle has angles 60°, 60° and 60°. It is:

Explanation:

Link:

Question (14)

A triangle has angles 90°, 45° and 45°. It is:

Explanation:

Link:

Question (15)

A triangle has angles 120°, 30° and 30°. It is:

Explanation:

Link:

Question (16)

Which of the following is an acute-angled triangle?

Explanation:

Link:

Question (17)

A triangle has sides 10 cm, 10 cm and 14 cm. It is:

Explanation:

Link:

Question (18)

A triangle has sides 12 cm, 13 cm and 14 cm. It is:

Explanation:

Link:

Question (19)

Which triangle has all sides equal and all angles equal?

Explanation:

Link:

Question (20)

A triangle has angles 70°, 60° and 50°. It is:

Explanation:

Link:

Excel With Tutors

ExcelWithTutors

For Student

For Tutors

Learn

OUR POLICY