A textbook on mechanical and electrical engineering (1898)
International Correspondence Schools · Scranton : International Textbook Co., [1898-99] · leaf 261
rcumference contains four quadrants; hence, 4 X i = | of aquadrant, or f of a right angle. Therefore, the measure of theangle A B C is 4 of a quadrant. Ans. B7. If a circle is divided into halves, each half is calleda semicircle, and each half circumference is called asenii-ci re u inference. 68.… … Fig. .50. Fig. 51. Fig. 53.- 6J-). An inscrii>e(I polygon is one whose vertexes lieon the circumference of a circle, and whose sides are chords,as v^ BCDE, Fig. 51. 7<). If, in any circle, a radius be drawn perpendicularto any chord, it bisects (cuts in halves) the chord. Thus,if the radius O…
Electrical engineering · Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
