Descriptive Geometry With Numerous Problems And Practical Applications
Descriptive Geometry With Numerous Problems And Practical Applications
William S William Shaffer Hall
The book Descriptive Geometry With Numerous Problems And Practical Applications was written by author William S William Shaffer Hall Here you can read free online of Descriptive Geometry With Numerous Problems And Practical Applications book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Descriptive Geometry With Numerous Problems And Practical Applications a good or bad book?
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e. 90°- 90°- (60°-0-(45°-0. /. (30°_, -)-(4. 5°-r)- 0°- 0°. 39. Find the angle between a plane (i?) whose traces are [ ] and [ ] and a plane {Q) whose traces are [ ] and [ ]. a. (45°-r)-(30°->-)-(45°- /)-(30°-Z). H. (30°-/-)-(60°- /)-(30°- 0-(30°- T). c. (45°-r)-(30°- /)_(60°-/-)-(45°-r). d. (45°- ^-(30°- 0-(60°- /)-(45°- /). e. 90°- (45°-r)-(45°-r)-(60°-0. / (30°- 0- 90°- (60°-r)-(45°-r). PROBLEMS FOR CONSTRUCTION 89 40. Find the perpendicular distance (S) between two lines (J/ and 3^), the pr...ojections of (J/) heing [ ] and [ ], and the projections of (N) are [ ] and [ ], the lines lying in [ ] and [ ] . a. (45°-r)-(()0°-r)-(60°-r)-(S0°-l)- I- 11. b. (. 30°-0-(45°-/-)-(30°-r)-(45°-r)- //- //. c. (45°->-)-(60°-?-)- 0°- 0°- III-IV. d. (30°- 0- 0°- )- 45°-Z)-(60°-^- H^- I. e. If- (4o°-/')-(30°-r)-(45°-;-)- V^- I. f. 0°- 0°- (30°-0-(45°-/-)-(;Z- /. 41. A square building is covered by a hip roof. If the hip rafter makes an angle of 30° with H, what angle does the roof make with H?
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