Question

A rectangular playground measuring 120m by 80m has a 3m wide walking track around it. find the area of the walking track.​

Answer 1

Area of rectangular playground = 120×80 m²=9600m²

Area of whole plot ( including track ) = (120+3)×(80+3) m²=10209m²

Therefore, area of track =10209-9600=609m²

hope it helps ^-^

Answer 2

see the attachment....