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" The following arcs are shown in the diagram : 42. The difference between an arc and a quadrant, is called the complement of that arc. The difference between an angle and a right angle is called the complement of that angle. Thus, the arc Qe is the... "
A System of Crystallography,: With Its Application to Mineralogy - Page 15
by John Joseph Griffin - 1841 - 489 pages
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A treatise on navigation, and nautical astronomy

Edward Riddle - 1824
...angles, are called supplements of each other. Cor. 5. The difference between an arc and a quadrant, or between an angle and a right angle, is called the complement of the arc or the angle. Cor. 6. The sine of an arc is a perpendicular let fall from one of its extremities...
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The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh ...

Euclid, John Davidson - Mathematics - 1835 - 513 pages
...which it is the sine, versed sine, tangent and secant, may be found. IX. The difference between any angle and a right angle, is called the complement of that angle. Thus, if BH be drawn perpendicular to AB, the angle CBH will be the complement of the acute angle ABC, or...
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The Elements of Euclid

Robert Simson, Euclid - Mathematics, Greek - 1835 - 513 pages
...which it is the sine, versed sine, tangent and secant, may be found. IX. The difference between any angle and a right angle, is called the complement of that angle. Thus, if BH be drawn perpendicular to AB, the angle CBH will be the complement of the acute angle ABC, or...
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The First Six and the Eleventh and Twelfth Books of Euclid's Elements: With ...

Euclid - Mathematics - 1837 - 390 pages
...proportional to the arcs on which they stand. 4. The difference between nn arc and a quadrant, or' between an angle and a right angle, is called the complement of that arc or angle. 5. The straight line drawn from one extremity of an arc, perpendicular to the diameter...
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A system of crystallography, with its application to mineralogy

John Joseph Griffin - Science - 1841 - 469 pages
...the diagram is divided by the diameters Qq and ( '< into the four quadrants Qoc, coq, qo<7, CbQ. 41. An arc is part of a circle separated from the...Qe is the complement of the arc ec, and conversely cc is the complement of the arc eQ. Again, the angle woq is the complement of the angle woe, and conversely,...
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A System of Crystallography: With Its Application to Mineralogy

John Joseph Griffin - Crystallography - 1841 - 469 pages
...two legs of an angle, or otherwise. The following arcs are shown in the diagram : Arcs of 30. WC CE 42. The difference between an arc and a quadrant,...called the complement of that angle. Thus, the arc Q<? is the complement of the arc ec, and conversely ec is the complement of the arc eQ. Again, the...
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A Second Book in Geometry

Thomas Hill - Geometry - 1863 - 136 pages
...angle, as DOE is. A right angle is a difference of direction half as great as oppositeness of direction. The difference between an angle and a right angle is called the complement of the angle. The difference between an angle and two right angles is called the supplement of the angle....
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