Answer: 252m
Explanation:
The length of the rectangle will be 70m while the width will be 56m. To check if it's applicable to the ratio 5:4, we can divide the numbers by 14.
70 ÷ 14/56 ÷ 14 = 5/4 = 5:4
Perimeter = 2(length + width)
= 2(70 + 56)
= 2 × 126
= 252 meters