Step-by-step explanation:
l = length
w = width
l = w/2
l×w = 25 m²
w/2 × w = 25
w²/2 = 25
w² = 50
w = sqrt(50) = sqrt(25×2) = 5×sqrt(2)
l = w/2 = sqrt(50)/2 = sqrt(50/2)/ sqrt(2) = sqrt(25)/sqrt(2) =
= 5/sqrt(2)
perimeter = 2×l + 2×w = 2×5×sqrt(2) + 2×5/sqrt(2) =
= 10×sqrt(2) + 10/sqrt(2)
