Skip to content / Đến nội dung
ThichHocToan.com

IKMC 2025 - Grades 11-12 - Set 2 - Self-study Question 19

IKMC · IKMC 2025 - Grades 11-12 - Set 2 - Self-study

Question 19

The black semicircle has area $12\text{ cm}^2$. What is the area of the large quarter-circle?

Question illustration
  1. $42\text{ cm}^2$
  2. $36\text{ cm}^2$
  3. $32\text{ cm}^2$
  4. $30\text{ cm}^2$
  5. $25\text{ cm}^2$