Question

A 7 meter wide path surrounds a circular lawn whose diameter is 252 m and then the area of the path is

Answer 1

The area of the path is : Area of the outer circle - The area of the inner circle

Diameter of outer circle is :

252 + 14 = 266 m

The radius is 266/2 = 133m

Area is :

22/7 × 133² = 55594m²

Area of the inner circle is :

The radius of the inner is :

252/2 = 126

22/7 × 126² = 49896m²

Area of the path is :

55594 - 49896 = 5698m²

Answer 2

Answer:

5698m^2

Step-by-step explanation:

Area of path = π(R-r)(R+r)

Radius inner circle = 126 (252/2)

Radius outer circle = 126+7 = 133

Therefore,

Area of path = 22/7(133-126)(133+126)

= 22/7(7)(259)

= 22/7(1813)

= 39886/7 = 5698 Sq.cm

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