Solution

155389

Problem / game
Distance Match Back to problem
First name
Meenakshi
School
Maharishi dayanand public school
Country
India
Age
12
Email address
poonamtamoli18@gmail.com

Inner circumference-352m
2Ï€r=352m
2×22/7×r=352
r=352×7/2×22
r=56m
Outer circumference=396m
2Ï€R=396m
2×22/7×R=396
R=396×7/2×22
R=63m
R-r
63-56
7m
The width is 7m

Area of race track=π(R×R-r×r)
=22/7×(63×63-56×56)
=22/7×(3969-3136)
=22/7×833
The area of race track is
=2616m