The radius of the red circle is 7 units and the distance between the two circles is 3 units.
What is the diameter of the red circle?
A 8 units
B 12 units
C 14 units
D 20 units

The radius of the red circle is 7 units and the distance between the two circles is 3 units What is the diameter of the red circle A 8 units B 12 units C 14 uni class=