In the given figure diagonal of given square ABCD is 21 radic 2 If a circular road as shown in diagr...........

Quantitative Aptitude (Insurance) Mensuration 2D

In the given figure diagonal of given square ABCD is 21√2 ?? . If a circular road as shown in diagram of 3.5 m width is made inside the square, then find the area of road.

173 m²

183 m²

168 m²

192.5 m²

208 m²

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Explanation:

Length of diagonal = 21√2 m So, length of side of square = 21 m So, radius of larger circle = 21/2 = 10.5 m And radius of smaller circle = 7 m Now area of path = 22/7 × 10.5 × 10.5 – 22/7 × 7 × 7 = 346.5 – 154 = 192.5 m²