C-04-Q069mediumsingle_mcq
In Exercise 11, three circles touch each other externally; the distance between any two of the three centres equals —
In Exercise 11, three circles touch each other externally; the distance between any two of the three centres equals —
- aThe difference of their radii
- bThe sum of their radii
- cThe product of their radii
- dHalf the sum of their radii