The outer and inner circumferences of a
road surrounding a circular meadow are 912 m and 868 m respectively. Find the width and the area of the road.
plz answer
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Step-by-step explanation:
let R and r be the radius of outer and inner circular part.
2 pi R = 912
R = 228/11
also,
2 pi r= 868
r= 217/11
width is R - r = 1m
area of road = pi R²- pi r²= 890/7
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