Question

Name the 4 radii (none are drawn in the diagram).

Short answer

The radii are $QA,QB,QC,QF$.

Step-by-step solution

Step 1. Given information. 

Figure is given.

Step 2. Concept used.

The distance from the centre of the sphere to any point on the surface of the sphere is called radius.

Step 3. Find the radii.

The distance from the centre of the sphere to any point on the surface of the sphere is called radius.

Therefore, radii are $QA,QB,QC,QF$.