Trigonometry. a = tan(A) * b (see picture below)
a = slope you are looking for
b = 24' = 288" so,
a = tan(3.5°)*288 = 0.06116262 * 288 = 17.614834603 inch or approx 17-39/64"
read more and respond »Posted 3 years ago by homeowners in General Construction
HomeOwnersHub website is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.