SOLUTION: The length of a string from the center of a yo-yo to its point of contact with Tony's finger is 12 cm. If Tony swing the yo-yo and made an angle of 155°, how long does the yo-yo t

Algebra ->  Trigonometry-basics -> SOLUTION: The length of a string from the center of a yo-yo to its point of contact with Tony's finger is 12 cm. If Tony swing the yo-yo and made an angle of 155°, how long does the yo-yo t      Log On


   



Question 1186572: The length of a string from the center of a yo-yo to its point of contact with Tony's finger is 12 cm. If Tony swing the yo-yo and made an angle of 155°, how long does the yo-yo traveled?
Answer by greenestamps(13209) About Me  (Show Source):
You can put this solution on YOUR website!


"How long does the yo-yo traveled"?!

Incredibly poor English...!

Maybe "how far does the yo-yo travel?".

If it traveled a full circle, the distance it traveled would be 2pi times the radius, which is the distance from the yo-yo to his finger, 12 cm.

The fraction of a circle it travels when moving through an angle of 155 degrees is 155/360. So

ANSWER: %28155%2F360%29%28%282pi%29%2812%29%29

Perform the calculation and express the answer in whatever form is needed.