Question

how to solve this sum and how to explain the sum during examination. ​

Answer 1

Hello mate it's the NCERT one..

It can be solved like that

Please mark it as brainliest

Area of track = 120 × 70 + π (35)2 – [120 × 56 + π (28)2

= 120 x 14 + 22/7 [(35)2 - (28)2]

= 1680 + 22/7 x 7 x 63

= 1680 + 1386

= 3066m2.

Yes, Meena is wrong.