Understanding Triangles

How many types of triangles are there based on sides?

• Two

• Five

• Three

• Four

Which type of triangle has all sides of equal length?

• Right

• Isosceles

• Scalene

• Equilateral

In an isosceles triangle, how many sides are equal?

• None

• Two

• Three

• One

What is the characteristic of a scalene triangle?

• All sides are different

• Two sides are equal

• All sides are equal

• One angle is 90°

What does the prefix 'equ' in equilateral triangle signify?

• Two

• Different

• None

• Equal

Which type of triangle has all angles less than 90°?

• Scalene

• Acute

• Obtuse

• Right

What is the defining feature of a right triangle?

• All sides are equal

• One angle is greater than 90°

• One angle is 90°

• All angles are less than 90°

In an obtuse triangle, how many angles are obtuse?

• Three

• Two

• None

• One

What does the letter 'R' in the mnemonic 'ARON' stand for?

• Obtuse

• Right

• None

• Acute

Which type of triangle is characterized by having one angle greater than 90°?

• Equilateral

• Acute

• Right

• Obtuse