Answer: The distance between the centres is 9.7 cm.
When two circles touch each other externally, the distance between their centres equals the sum of their radii.
\[d = 5.5 + 4.2 = 9.7\ \text{cm}\]Answer: The distance between the centres is 9.7 cm.
When two circles touch each other externally, the distance between their centres equals the sum of their radii.
\[d = 5.5 + 4.2 = 9.7\ \text{cm}\]Log in or create a free account to answer this question.