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" So IS THE AREA OF THE CIRCLE, TO THE AREA OF THE SECTOR. "
Questions and Answers from the American Machinist - Page 344
1900 - 403 pages
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A Practical Application of the Principles of Geometry to the Mensuration of ...

Jeremiah Day - Measurement - 1815 - 388 pages
...Multiply the radius into half the length of the arc, Or, A* 360, to the number of degrees in the arc ; So is the area of the circle, to the area of the sector. . , It is evident, that the area of the sector has the same ratio to the area of the circle, which...
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The Second [-fifth and Sixth] Part of A Course of Mathematics: Adapted to ...

Jeremiah Day - Geometry - 1824 - 440 pages
...MULTIPLY THE RADIUS INTO HALF THE LENGTH OF THE ARC. Or, As 360, TO THE NUMBER OF DEGREES IN THE ARC ; So IS THE AREA OF THE CIRCLE, TO THE AREA OF THE SECTOR. It is evident, that the area of the sector has the same ratio to the area of the circle, which the...
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A Concise System of Mathematics ...

Alexander Ingram - Mathematics - 1830 - 458 pages
...length of the arc, and work as before. Or find the area of the circle : then, as 360° to the angle of the sector, so is the area of the circle to the area of the sector. 1. Required the area of a sector, of which the arc is 79, and the radius of the circle 47 yards. 39-5...
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A Treatise of Plane Trigonometry: To which is Prefixed a Summary View of the ...

Jeremiah Day - Logarithms - 1831 - 418 pages
...MULTIPLY THE RADIUS INTO HALF THE LENGTH OF THE ARC. Or, As 360, TO THE NUMBER OF DEGREES IN THE ARC ; SO IS THE AREA OF THE CIRCLE, TO THE AREA OF THE SECTOR. It is evident, that the area of the sector has the same ratio to the area of the circle, which the...
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The Principles of Plane Trigonometry, Mensuration, Navigation and Surveying ...

Jeremiah Day - Measurement - 1831 - 394 pages
...MULTIPLY THE RADIUS INTO HALF THE LENGTH OF THE ARC. Or, As 360, TO THE NUMBER OF DEGREES IN THE ARC ; So IS THE AREA OF THE CIRCLE, TO THE AREA OF THE SECTOR. It is evident, that the area of the sector has the same ratio to the area of the circle, which the...
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The American Builder's General Price Book and Estimator: To Elucidate the ...

James Gallier - Building - 1836 - 228 pages
...the product will be the area. RULE 2. — As 360 degrees is to the number of degrees in the arc of the sector, so is the area of the circle to the area of the sector. To find the Area of a Segment of a Circle. RULE. — To the chord of the whole arc, add the chord of...
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The Teacher's Assistant in the "Course of Mathematics Adapted to the Method ...

Mathematics - 1836 - 488 pages
...Multiply the radius into half the length of the arc. Or, as 360° to the number of degrees in the arc ; so is the area of the circle, to the area of the sector. To find the area of the segment of a circle. Find the area of the sector which has the same arc, and...
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The Principles of Plane Trigonometry, Mensuration, Navigation and Surveying ...

Jeremiah Day - Measurement - 1836 - 418 pages
...MULTIPLY THE RADIUS INTO HALF THE LENGTH OF THE 4Kc. Or, As 330, TO THE NUMBER OF DEGREES IN THE AKC ; $O IS THE AREA OF THE CIRCLE, TO THE AREA OF THE SECTOR. It is evident, that the area of the sector has the same ratio to die area of the circle, which the...
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A Course of Mathematics: Containing the Principles of Plane ..., Volumes 1-3

Jeremiah Day - Geometry - 1838 - 416 pages
...MULTIPLY THE RADIUS INTO HALF THE LENGTH OP THE ARC. Or, As 360, TO THE NUMBER OF DEGREES IN THE ARC ] So IS THE AREA OF THE CIRCLE, TO THE AREA OF THE SECTOR. It is evident, that the area of the sector has the same ratio to the area of the circle, which the...
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A Course of Mathematics: Containing the Principles of Plane ..., Volumes 1-3

Jeremiah Day - Geometry - 1839 - 434 pages
...MULTIPLY THE RADIUS INTO HALF THE LENGTH OF THE ARC. Or, As 360, TO THE NUMBER OF DEGREES IN THE ARC ; So IS THE AREA OF THE CIRCLE, TO THE AREA OF THE SECTOR. It is evident, that the area of the sector has the same ratio to the area of the circle, which the...
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