A circular park of 28m diameter has been constructed. A 3.5m circular track outside has been developed along the park. Using algebraic formulae, find the area ofthe track around the park,
Answers
Answered by
1
According to Question
Case I :
Diameter = 28m
Radius = 28/2=14m
Let Area of park is 'x'
x=2*22/7*14
x=88m^2
Case II:
Let area of park after track is 'y'
Radius = 14-3.5 = 10.5 m
y=2*22/7*10.5
y=66m ^2
Let the area of track is a.
Then, a=x-y
a=88-66=22m^2
Area of track is 22m^2
Case I :
Diameter = 28m
Radius = 28/2=14m
Let Area of park is 'x'
x=2*22/7*14
x=88m^2
Case II:
Let area of park after track is 'y'
Radius = 14-3.5 = 10.5 m
y=2*22/7*10.5
y=66m ^2
Let the area of track is a.
Then, a=x-y
a=88-66=22m^2
Area of track is 22m^2
Similar questions