Math Reflaction
1. In order for two parallelograms to be similar they have to have the same scale factor, angles and raito.

2.Well you get divid the side lengths that are corresponding to get the scale factor. than get the other side length and divide or multiply them acording how they are set up to get your answer 2.

3.The side lengths should be 10. I know this because i did the side length 7.5 divided by 3 to =2.5, than i did 4 times 2.5 to get 10.