MCQ — Attempt all

1. What does trigonometry mainly deal with?
   • Only straight lines and circles
   • The sides, angles, and their mutual relationships in a triangle
   • Only algebraic expressions
   • Only area and volume
2. Which statement is true for trigonometrical angles?
   • Angles are always between 0° and 90°
   • Angles can never be greater than 360°
   • Angles can be positive, negative, or greater than 360°
   • Angles are only positive
3. In a trigonometrical angle, what is the fixed ray called?
   • Final arm
   • Initial arm
   • Radius
   • Arc
4. In a trigonometrical angle, what is the position of the ray after rotation called?
   • Initial arm
   • Final arm
   • Vertex
   • Right angle
5. What type of angle is formed by rotation in the anticlockwise direction?
   • Negative angle
   • Positive angle
   • Zero angle
   • Supplementary angle
6. What type of angle is formed by rotation in the clockwise direction?
   • Positive angle
   • Negative angle
   • Perpendicular angle
   • Complete angle
7. Which two methods of measuring angles are most commonly used at school level?
   • Degree measure and radian measure
   • Decimal system and binary system
   • Area method and volume method
   • Parallel method and perpendicular method
8. In degree measure, how many degrees are there in one right angle?
   • 45°
   • 60°
   • 90°
   • 180°
9. In degree measure, 1° is equal to how many minutes?
   • 30′
   • 45′
   • 60′
   • 90′
10. In degree measure, 1′ is equal to how many seconds?
    • 10″
    • 30″
    • 60″
    • 100″