What is the greatest possible (straight line) distance, between any two points on a hemisphere of radius 6?
Choices:
A) 0.12  B) 1  C) π/2  D) 2  E) 12
Maximum distance straight line is diameter   d = 2r = 12..   ANS option 12.
<result>E</result>
What is the greatest possible (straight line) distance, between any two points on a hemisphere of radius 6?