Question

- A saree is 5.8 metres long and 1.4 metres broad. A border fall 10 cm
wide is to be stitched all round it. Find the area of the border fall.
​

Answer 1

Answer:

= π[(18.9)2−(17.5)2]

= 227[(18.9 + 17.5) (18.9 - 17.5)]

= 227 [36.4 × 1.4 ] = 227 × 36.4 × 1.4

= 22 × 36.4 × 0.2

= 160.16 sq metres

Step-by-step explanation:

Answer 2

$ans \: is \: 8400 {cm}^{2} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: or \\ 84 {m}^{2}$