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IKMC 2020 - Grades 11-12 - Set 2 - Self-study Question 11

IKMC · IKMC 2020 - Grades 11-12 - Set 2 - Self-study

Question 11

A blue rectangle and a red rectangle overlap in four different ways as shown. Let $B$ be the area of the blue part outside the overlap, and $R$ the area of the red part outside the overlap. Which statement about $B-R$ is true?

Question illustration
  1. It is largest in case 1.
  2. It is largest in case 2.
  3. It is largest in case 3.
  4. It is largest in case 4.
  5. It is the same in every case.