Question

a circular part is surrounded by a road, 2m wide if radius of park is 105 find area of road.

Answer 1

area of the road is equal to the area of the circular path

Answer 2

Area of circular park = π×r×r=(22/7)×105×105
= (22/7) × 11025 = 34650 sq. m
Radius of park with road = 105+2 = 107 m
Area of park with road = (22/7) × 107×107= 35982.571 sq.m
Area of road = Area of park with road-Area of park = 1332.57 sq. m approx