Question

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

Answer 1

14

Explanation:

The diameter is always the same as 2*the radius, so if the radius is 7, the diameter is 14. Most of the information presented is unrelated.