the inner cicumference of a circular race track is 264 m and the width of the track is 7 m . calculate the cost of putting up a fence around the outer circle of the track at the rate of rupees 15 pet metre
Answers
Answered by
0
Answer:
the inner cicumference of a circular race track is 264 m and the width of the track is 7 m . calculate the cost of putting up a fence around the outer circle of the track at the rate of rupees 15 pet metre
Answered by
1
Answer:
Circumtance of circle=264
2πr=264
2*(22/7)*r=264
r=264*7/44
r=42 metre
New radius of circle= 42+7=49m
Circumference of new circle =2*22*49/7m
=308m
Total fencing =308m-264m=44m
Total cost fencing=44*15=660 rupee
Step-by-step explanation:
Similar questions