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IKMC 2027 - Grades 11-12 - Self-study SET 11 - Thematic Batch 3 Question 13

IKMC · IKMC 2027 - Grades 11-12 - Self-study SET 11 - Thematic Batch 3

Question 13

An ant normally travels 5 metres along AB. Two obstacles, each adding a vertical height of 1 metre as shown, are built on the route. The ant must now climb vertically up and down both obstacles. How long is its new route?

Question illustration
  1. 7
  2. 9
  3. 5 + 4$\sqrt{2}$
  4. 9 − 2$\sqrt{2}$
  5. It depends on the orientation of the obstacles.