Technical Drawing/Drafting

Created by cmalco on 12 March, 2018

I need help with this drawing

I didn't know how to connect all the different arcs in this drawing in AutoCAD, and also i don't know the point of the two 120° lines, if some can help me, please.

2 Answers

This seems to be to appropriate interpretation of this sketch, given that there are no other diameters provided to determine the base. I highlighted the construction line of interest to show that it is colinear with the bottom slope, which fully defines the sketch with all of the given dimensions.

Voici un croquis qui illustre ma réponse