AutoCAD s question! Master Jin!

Users questions: Annex title. Known conditions only the long side of the rectangle between the tangent to the circle for the 90,5 months, with the rectangular edge tangent.
Experts answer: books have, I can not remember the name of the book, give you an answer tomorrow. I do not play a long time AUTOCAD, really a bit forgotten. This book is out of Posts & Telecom Press Chinese version of the AUTOCAD2002 **- Basics Course to be trained. Step: C (draw a circle )****- R20 (radius of any number can be, does not matter )****** COPY (copy round )**** C (T) semi-earnest (painting the middle of the circle) ****- MIRR OR (mirror two circles )**** RECTANG (find the center of a circle of four circle, draw a rectangle )****- OFFSET (offset a distance, radius of the distance) **- the rectangle and circle is tangent rectangular ******- SC (zoom, select the whole right to left A round and rectangular, the first point selected rectangle, then select another point, when a new variable length input 90 OK.
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