The book Elementary And Constructional Geometry was written by author Edgar H Edgar Hamilton Nichols Here you can read free online of Elementary And Constructional Geometry book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Elementary And Constructional Geometry a good or bad book?
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In. ; explain your steps ; measure the resulting lines ; and compare the answers with those obtained in 506. 611. Can you draw a line that shall represent the V f sq. In. ; V { sq. In. ; V i sq. In. (See 454. ) In actu- ally doing this work, it is better to draw to scale, taking a line much longer than an inch to represent the side of the square inch. 512. On a line mark off lengths equal to V I sq. Dm. , V 2 sq. Dm. , V 3 sq. Dm. , etc. , up to V 10 sq. Din". _ 518* On a line mark off lengths ...equal to V J sq. Dm. , V I sq. Dm. , V } sq. Dm. , etc. , up to V ^ sq. Dnf. 514. With the scales you have just made in 512 and 513, and with the aid of what you know about adding and sub- tracting squares, you can find the square root of a great many surfaces with great rapidity. Use the scales in fiml- : \ 1 V 24 sq. Dm. ; V 5J sq. Dm. ; V 2J sq. Dm. ; V^aq. Dm. 515. In articles 501-505 you saw how to find the side of a square from its surface. The ability to do this adds greatly to the practical value of the Pythagorean principle that the square on the hypotenuse of a right triangle con- tains as much surface as the squares on the two legs.
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