1985 toyota corolla brakeline? ISO OR SAE flare?

well a friend of mine owns a 1985 toyota corolla 5 door and one of his rear brake lines has rusted apart and he is wanting to replace every line. (cars is his pride and joy and his father wont let him drive it if its unsafe, and nither will the cops.)
one thing thats confusing both of us is if the lines are 3/16 and if it runs a ISO (bubble) flare or a SAE flare.

also should we buy the straight line and connect it together or buy the bulk like in rolls? also, armored or normal?

dont forget chris it is a fwd and my dad is driving it to school. also if possible the exact length for the 2 lines would be nice i woild only like to replace the 2 with corrosion going to the back

they are for shure sae i just took one of the lines off on my car to reveal that they are sae 3/16 inch flares and are unarmoured