The inner circumference of a circular track is 24πm. The track is 2m wide from everywhere. The quantity of wire required to surround the path completely is _________.
A
80m
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
81m
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
82m
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
88m
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution
The correct option is D88m Circumference of the inner circle=2πr=24π=>r=12m
Radius of the outer circle =14m
Therefore, circumference of the outer circle =2π(14)=2×22=88m