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SEAMO 2027 - Paper C - SET 07 - Self-study Question 4

SEAMO · SEAMO 2027 - Paper C - SET 07 - Self-study

Question 4

An equilateral triangle of side length 1 is rotated about $C$ from position I to II. It is then rotated about the new position of $B$ from II to III, as shown. Find the total distance travelled by the original point $A$.

Question illustration
  1. $7\pi/5$
  2. $6\pi/5$
  3. $5\pi/3$
  4. $4\pi/3$
  5. None of the above