... selection. 11 . Close all files. Do not save. Chapter Summary ■ 41 Chapter Summary Now that you have been introduced to several core features, you can begin learning how to ... Polar angle is 90.■ Enter 1 and press ENTER.■ Drag to < 0, and enter 1 and press ENTER.■ Drag to < 90, and enter 1. 5 and pressENTER.■ Drag to < 18 0, and enter 1 and pressENTER.■ Drag ... at the top of the AutoCAD window. If you are using AutoCAD LT®, while you might see slight interface differences, every attempt has been made to retainthe fidelity of the learning experience...