What is the greatest possible (straight line) distance, between any two points on a hemisphere of radius 5?  Choose the correct choice from the following answers
A) 0.1
B) 10
C) π/10
D) 8
E) π
Maximum distance straight line is diameter   d = 2r = 10..   ANS option 10.
<result>B</result>
What is the greatest possible (straight line) distance, between any two points on a hemisphere of radius 5?