Q1: 1. What is the sum of the angles of a triangle?

• A) 90 degrees
• B) 180 degrees
• C) 270 degrees
• D) 360 degrees

Q2: 2. In a right-angled triangle, which side is opposite to the right angle?

• A) Hypotenuse
• B) Base
• C) Perpendicular
• D) None of the above

Q3: 3. What is the area of a triangle with base 6 units and height 8 units?

• A) 12 sq units
• B) 24 sq units
• C) 30 sq units
• D) 48 sq units

Q4: 4. How many sides does a scalene triangle have?

• A) 2
• B) 3
• C) 4
• D) None of the above

Q5: 5. What type of triangle has all sides of equal length?

• A) Scalene triangle
• B) Isosceles triangle
• C) Equilateral triangle
• D) Right triangle

Q6: 6. Which theorem states that the square of the hypotenuse is equal to the sum of the squares of the other two sides in a right triangle?

• A) Pythagorean theorem
• B) Similarity theorem
• C) Angle bisector theorem
• D) Area theorem

Q7: 7. In an isosceles triangle, which sides are of equal length?

• A) Base and height
• B) Base and hypotenuse
• C) Legs
• D) None of the above

Q8: 8. What is the sum of the lengths of any two sides of a triangle?

• A) Greater than the length of the third side
• B) Less than the length of the third side
• C) Equal to the length of the third side
• D) None of the above

Q9: 9. What is the name for a triangle with one angle greater than 90 degrees?

• A) Obtuse triangle
• B) Acute triangle
• C) Right triangle
• D) Equilateral triangle

Q10: 10. How many lines of symmetry does an equilateral triangle have?

• A) 0
• B) 1
• C) 2
• D) 3