A wheel of radius 8 rolls along the diameter of a semicircle of radius 25 until it bumps into this semicircle. What is the length of the portion of the diameter that cannot be touched by the wheel?
Answer Choices
A. 8
B. 12
C. 15
D. 17
E. 20
A wheel of radius 8 rolls along the diameter of a semicircle of radius 25 until it bumps into this semicircle. What is the length of the portion of the diameter that cannot be touched by the wheel?
Answer Choices
A. 8
B. 12
C. 15
D. 17
E. 20