Question

please tell if my answer is correct ​

Answer 1

Answer:

yes it is absolutely correct

Answer 2

$w$ - the width of the rectangle

$l$ - the length of the rectangle

$p_r$ - the perimeter of the rectangle

$p_s$ - the perimeter of the square

$p_r=2w+2l\\p_s=2\cdot2w+2\cdot\dfrac{l}{2}=4w+l$

Since the resulting figure is a square, then

$2w=\dfrac{l}{2}\\l=4w$

Therefore

$p_r=2w+2\cdot 4w=10w\\p_s=4w+4w=8w\\\\\dfrac{p_r}{p_s}=\dfrac{10w}{8w}=\dfrac{5}{4}=5:4$