Twelve Equally Spaced Holes Must Be Drilled on a 13

Multiple Choice

Twelve equally spaced holes must be drilled on a 13.700-in.-diameter bolt circle. (See the illustration.) What is the straight-line center-to-center distance between two adjacent holes? Round your answer to the appropriate number of significant digits.

A) 4.3458 in.
B) 3.5458 in.
C) 4.1458 in.
D) 5.5458 in.
E) 0.8458 in.