Question

if expressed in square millimeter what is 25 square meter
2:a football pitch which was originally 80m long had it length increased by 20m if the width of 70 m has remained unchanged what is the difference between the old nd d new perimeter of d pitch

Answer 1

2(70 + 80+20) - 2(70+80) = 2(20) = 40 m

or, 20m on each long side...