Question

14 A path of 7m width runs around outside a circular park whose radius 18m. Find the area of path

Answer 1

Area of path is 946 sq. cm.

Step-by-step explanation:

Since we have given that

Radius of circular park = 18 m

Area of circular park is given by

$\pi r^2\\\\=\dfrac{22}{7}\times 18^2\\\\=1018.28\ cm^2$

Width of path = 7 m

So, radius of outer circle = 18+7 =25 m

So, Area of outer circle is given by

$\pi r^2\\\\=\dfrac{22}{7}\times 25^2\\\\=1964.28\ cm^2$

So, Area of path is given by

$1964.28-1018.28\\\\=946\ cm^2$

Hence, Area of path is 946 sq. cm.

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A path of 7m width runs around outside a circular park whose radius 18m. Find the area of path