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PIMSO 2022 - Mathematics - Grade 10 / Secondary 4 - National Round Question 8

PIMSO Maths · PIMSO 2022 - Mathematics - Grade 10 / Secondary 4 - National Round

Question 8

The radius of circle A is 1/3 the radius of circle B. Circle A rolls around circle B one trip back to its starting point. How many times will circle A rotate in total?

Assume external rolling without slipping about the fixed circle B.