Question

Road whose width is 7 surrounds a circular path whose circumference is 1012 metre find the area of the road

Answer 1

Answer:

722.9 metres sq. (approx.)

Step-by-step explanation:

radius of circular path= 1012 × 7/2 × 22

r = 161 m

now, area of the road = area of circle with road width included - area of circle

area of road = 22/7 × ( 168^2 - 161^2)

= 22/7 × (28224 - 25921)

= 22/7 × (2303)

= 722.9 metres sq. (approx.)

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