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IKMC 2021 - Grades 9-10 - Self-study Question 15

IKMC · IKMC 2021 - Grades 9-10 - Self-study

Question 15

The figure shows a semicircle with centre O. Two angles are given. What is angle α, in degrees?

Question illustration
  1. 9°
  2. 11°
  3. 16°
  4. 17.5°
  5. 18°