Round Hole
Round Hole
How many square inches is a 2 inch round hole?
I'm venting my attic prior to a new roof install, and figuring out proper intake/exhaust, and need to know the net free area of a 2 inch vent, and it's figured in square inches. I actually need to know the net free area of a 2 inch hole with 1/8 inch screen, but just the 2 inch hole would be a good start. Thanks!
Pi x r sq so its 3.1415926"sq
Tiger Woods 09 - Square Peg, Round Hole
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