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The chord of an arc of 60 degrees is equal in length to the radius of the circle of which the arc is a part. 17. The segment of a circle is a part of a circle cut off by a chord.
A System of Geometry and Trigonometry: Together with a Treatise on Surveying ... - Page 11
by Abel Flint - 1825 - 241 pages

## A System of Geometry and Trigonometry: With a Treatise on Surveying; in ...

Abel Flint - Geometry - 1835 - 334 pages
...other end of the arc ; thus BK is the tangent of the arc BH. Fig. 7. NOTE. The tangent of an arc of 45 degrees is equal in length to the radius of the circle of which the arc is a 24.. The secant of an arc is a line drawn from the centre through one end of the arc till...

## The Engineer's and Mechanic's Encyclopędia, Volume 1

Luke Hebert - Industrial arts - 1835
...other through the centre, as ab, Fig. P. Every diameter divides the circle into two equal parts. A segment of a circle is a part of a circle cut off by a straight line drawn across it. This straight line У A, Fig. R, is called the chord. A segment may...

## The Engineer's and Mechanic's Encyclopędia, Volume 1

Luke Hebert - Industrial arts - 1836
...through the centre, as ab, Fig. P. Every diameter divides the circle into two equal parts. A set/ment of a circle is a part of a circle cut off by a straight line drawn across it. This straight line/ h, Fig. R, is called the chord. A segment may be...

## A System of Geometry and Trigonometry, with a Treatise on Surveying: In ...

Abel Flint - Geometry - 1837 - 272 pages
...degrees is equal in length to the radius of the circle of which the arc is a part. 17. The segment ot a circle is a part of a circle cut off by a chord ; thus, the space comprehended between the arc HIG and the chord HG is called a segment. Fig. 6. 18. A sector...

## A New System of Arithmetic, on the Cancelling Plan: Embracing the Rules of ...

Charles Guilford Burnham - Arithmetic - 1841 - 312 pages
...right line drawn from one end of an arc to another, and is the measure of the arc. The chord of an arc of 60 degrees is equal in length to the radius of the circle of which the are is a part. 18. A sector of a circle is a space contained between two radii and an arc less than...

## Arithmetical Spyglass and Teacher's Assistant: Intended as a Key and ...

Charles Waterhouse - Arithmetic - 1842 - 166 pages
...line joining the extremities of an arch, and is the measure of the arch. NOTE. — The chord of an arc of 60 degrees, is equal in length to the radius of the circle of which the arc is a part. 5. The sine of an arc is a line drawn from one end of the arc, perpendicular to the...

## Elementary and practical Arithmetic on the inductive system, by analysis and ...

Charles WATERHOUSE - Arithmetic - 1844 - 12 pages
...proportional between the two segments. 18. Every chord is less than the diameter. 19. The chord of an arc of 60 degrees, is equal in length to the radius of the circle of which the arc is a part. 20. The sines on the same diameter increase in length till becoming radius, decreasing...

## A New System of Arithmetic on an Improved Plan

Charles Guilford Burnham - 1850
...right line drawn from one end of an arc to another, and is the measure of the arc. The chord of an arc of 60 degrees is equal in length to the radius of the circle of which the arc is a part. 17. The segment of a circle is a part of a circle cut off by a chord. 18. A sector of...