. Sheet metal workers' manual; a complete, practical instruction book on the sheet metal industry, machinery and tools, and related subjects, including the oxy-acetylen welding and cutting process . line AB will then be divided into the required numberof equal parts. To find the length of an arc of a circle.—Figure the chord AC of. the arc into four equal parts asshown. With the radius AD equal to one-fourth of the PRACTICAL GEOMETRY AND MENSURATION 475 chord of the arc and with A as center describe the arcBE. Draw the line EG and twice its length will be thelength of the arc AEG. To
. Sheet metal workers' manual; a complete, practical instruction book on the sheet metal industry, machinery and tools, and related subjects, including the oxy-acetylen welding and cutting process . line AB will then be divided into the required numberof equal parts. To find the length of an arc of a circle.—Figure the chord AC of. the arc into four equal parts asshown. With the radius AD equal to one-fourth of the PRACTICAL GEOMETRY AND MENSURATION 475 chord of the arc and with A as center describe the arcBE. Draw the line EG and twice its length will be thelength of the arc AEG. To draw radial lines from the circumference of a cir-cle when the center is inaccessible.—Figure 33. Divide
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Keywords: ., bookcentury1900, bookdecade1910, bookidsheetmetalwo, bookyear1918
