Bunuel wrote:
P is a particle on the circle shown above. What is the length of the path traveled by P in one complete revolution around the circle?
(1) The diameter of the circle is 1.5 meters.
(2) The particle P moves in a clockwise direction at 0.5 meter per second.
Attachment:
2019-04-26_1826.png
Target question: What is the length of the path traveled by P in one complete revolution around the circle?REPHRASED target question: What is the circumference of the circle? Statement 1: The diameter of the circle is 1.5 meters. Circumference = (π)(diameter)
So, the answer to the REPHRASED target question is
the circumference = 1.5π metersSince we can answer the
target question with certainty, statement 1 is SUFFICIENT
Statement 2: The particle P moves in a clockwise direction at 0.5 meter per second. Particle P's speed will NOT help us answer the
REPHRASED target question with certainty
Statement 2 is NOT SUFFICIENT
Answer: A
Cheers,
Brent
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