Rear brake size
I personally have no way of confirming what you have and wouldn't be willing to guess which would result in you buying more brake shoes that won't work.
Do you like to pay those prices when you can pick up shoes locally for less than half that price? Take what you have to the parts store and you will get the right parts plus save money.
This is the shoes that can be bought at Oreillys using one of the applications from the YearOne link. Check out the price $15.99 with a Lifetime Warranty......