Handrail For Stairs San Antonio How Do You Use A Speed Square To Determine The Bevel Measurement For Deck Stair Handrails?

How do you use a Speed Square to determine the bevel measurement for deck stair handrails? - handrail for stairs san antonio

I bought pre-cut 2x4 deck railing of the stairs, where you and pull the bar upward. I think it's easy ways to cut corners, so you can attach the rails to the posts. The rails are under way between the posts and not on the sides.