How do I cut flooring for a curved area?

Question

I am cutting particle board for a curved area. The wall I am going off of is not a perfect circle and I am not sure how to make my cut mark to fit the wall.

Answer 1

make a paper pattern of the area of the floor....transfer it to the wood and use a jig saw to cut it

Answer 2

ucluelet is correct. make a template and use a jigsaw with a new blade.