Science and art drawing : complete geometrical course ; consisting of plane and solid geometry, orthographic and isometric projection, projection of shadow's the principles of map projection, graphic arithmetic and graphic statics (1895)
Spanton, J. Humphrey (John Humphrey) · London : Macmillan · leaf 123
Peoblem 140. To construct a sqiiarc eqital in area to a given rectangle ABDC. Produce the line AB, and make BIST equal to BD.AK in E (Prob. 1). WithE as centre, and EA as radius,describe the semicircle AHIST.Produce BD to H. BH isthe mean proportional be-tween AB and BD. On BHdescribe the required… … PROPORTIONAL AND EQUIVALENT AREAS 103 Problem 141. On a given line AB, to construct arectangle equal in area to a givensquare CDEF. Find the third proportional tothe lines AB and CD (Prob. 115),which \yill be the line AH. At Aand B draw lines perpendicular toAB (Prob. 7), and make them equalto AH.…
Geometrical drawing
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