Explanatory mensuration for the use of schools1871 |
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... SECTOR OF A CIRCLE 75 XVI . THE SEGMENT OF A CIRCLE 78 · 80 XVII . THE ELLIPSE SOLIDS . - DEFINITIONS XVIII . THE CUBE · XIX . THE RECTANGULAR PARALLELOPIPED XX . THE RIGHT - PRISM AND RIGHT - CYLINDER 84 85 90 97 PROB . PAGE XXI . THE ...
... SECTOR OF A CIRCLE 75 XVI . THE SEGMENT OF A CIRCLE 78 · 80 XVII . THE ELLIPSE SOLIDS . - DEFINITIONS XVIII . THE CUBE · XIX . THE RECTANGULAR PARALLELOPIPED XX . THE RIGHT - PRISM AND RIGHT - CYLINDER 84 85 90 97 PROB . PAGE XXI . THE ...
Página 6
... sector of a circle is any part of a circle bounded by two radii and the arc between them . Lineal Measure . 12 inches = 1 foot . 3 feet = 1 yard . 5 yards 40 poles or 220 yards = 8 furlongs or 1,760 yds . Also 723 inches 100 links or 22 ...
... sector of a circle is any part of a circle bounded by two radii and the arc between them . Lineal Measure . 12 inches = 1 foot . 3 feet = 1 yard . 5 yards 40 poles or 220 yards = 8 furlongs or 1,760 yds . Also 723 inches 100 links or 22 ...
Página 74
... sector , the angle of which is 45 ° . ( 6 ) The arc of a circle is 5 ft . 6 in .; the angle subtended by the arc at the centre is 72 ° ; find the radius of the circle . ( 7 ) The arc of a circle is 26-4 ft .; the angle subtended by the ...
... sector , the angle of which is 45 ° . ( 6 ) The arc of a circle is 5 ft . 6 in .; the angle subtended by the arc at the centre is 72 ° ; find the radius of the circle . ( 7 ) The arc of a circle is 26-4 ft .; the angle subtended by the ...
Página 75
... SECTOR OF A CIRCLE . Definitions . - The sector of a circle is the figure bounded by two radii and the part of the circumference between them . Thus AOCBA is the sector of a circle , being bounded by the two radii oa and oc , and the ...
... SECTOR OF A CIRCLE . Definitions . - The sector of a circle is the figure bounded by two radii and the part of the circumference between them . Thus AOCBA is the sector of a circle , being bounded by the two radii oa and oc , and the ...
Página 76
... sector :: area of circle required area of sector . ( 2 ) To find the area of a sector , when the radius of the circle and the arc are given . Multiply the length of the arc by the radius ... sector arc × radius 76 THE SECTOR OF A CIRCLE .
... sector :: area of circle required area of sector . ( 2 ) To find the area of a sector , when the radius of the circle and the arc are given . Multiply the length of the arc by the radius ... sector arc × radius 76 THE SECTOR OF A CIRCLE .
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Términos y frases comunes
ABCD Area of base Arithmetic avoirdupois axis centre chains chord of half circle circular ends circumference cone contains cube cubic feet cubic foot cubic inches curved surface cylinder depth diagonal dimensions divide edge EFGH ellipse equal Example 1.-Find Example 2.-The find its volume find the area Find the cost find the diameter find the height find the length Find the number Find the volume Formulæ frustum gonal half the arc hypothenuse Note 1.-To find oblique parallel sides parallelogram parallelopiped perimeter perpendicular distance perpendicular height poles polygon prism prismoid Prob pyramid quotient radius rectangle respectively rhombus right-angled triangle right-cone ring roods sector segment semicircle shape side faces slant height solid sphere square pyramid square root straight line thick trapezium trapezoid water weighs 1000 wedge weighs 1000 oz whole surface wide width yards zoid
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Página 23 - RULE. — From half the sum of the three sides, subtract each side separately; multiply the half -sum and the three remainders together; the square root of the product is the area.
Página 118 - A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center.
Página 63 - Or, from 8 times the chord of half the arc, subtract the chord of the whole arc, and $ of the remainder will be the length of the arc, nearly.
Página 33 - Multiply the sum of the parallel sides by the perpendicular distance between them, and half the product will be the area.
Página 19 - A rectangle is a four-sided figure like a square, in which the sides are perpendicular to each other, but the adjacent sides are not equal. 280. A parallelogram is a foursided figure which has its opposite sides equal and parallel, but its angles not right angles. The line DE, perpendicular to the base, is called the altitude.
Página 149 - Such a work will be of value to a candidate as a test of his ability to work the Arithmetical problems he is likely to have given him to solve in his examination ; but when it is used simply as a means of cramming the pupil, it becomes pernicious. We notice Mr. Hiley has carefully arranged...