Three circles of radius 4 cm are kept touching each other. The string is tightly tied around these three circles. What is the length of the string?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. (24 + 8π) Cm.
Radius of the each circle = 4 cm
Length of the string = 2πr + 6r
= 2π × 4 + 6 × 4
= (24 + 8π) Cm