CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Figure depicts a racing track whose left and right ends are semi-circular. The inner width of the track is 60 m and they are each 106 m long. If the track is 10 m wide, find the length of the track around the inner edge.
(round off to nearest whole number)


A

301

No worries! We‘ve got your back. Try BYJU‘S free classes today!
B

400

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C

310

No worries! We‘ve got your back. Try BYJU‘S free classes today!
D

320

No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B

400


The required distance is sum of long sides of rectangle and the circumference of semi-circles.
The length of the rectangle (l) = 106 m
The radius of the semicircle (r) = 30 m
Hence the distance = l+l+2πr

106 + 106 + 2 × 3.14 × (30) = 400.4 m ~ 400 m


flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon