1003077207

SubArea: 
Circles
Level: 
B
Project ID: 
1003077207
Accepted: 
1
Clonable: 
0
Easy: 
1
Given a circle of which the area and the circumference have the same numerical value, determine the diameter of the circle.
\( 4 \)
\( 2 \)
\( \sqrt2 \)
\( \pi \)