So to do this we need to make our fraction. Our denominator will be all of the possible numbers. (10) Then the number of odd numbers will be our numerator (5).
The answer is 5/10 (simplified to get the real answer:) 1/2
Hopefully this helps! If you have any more questions or don't understand, feel free to DM me, and I'll get back to you ASAP! :)
Because the shape is not undergoing a dilation, the perimeter of the original image and the new image is the same. The only thing that is changing is the placement of the original figure.