Find out radius of elbow

In this video tell about outer radius and inner radius of elbow and center radius of elbow for use in any degree Tell about formula with complete calculation And tell about arc length or chord length and center length of elbow formula for Fitter fabricators We provide all type of knowledge and practically experience with you for your batter feature and build up you for your family because machanical field wants theory and practical experience Work with safety//////// ////////////////////////////////////////////////////// Tell about complete formula with complete calculations /////////////////////////////////////////////////////////////