Explanatory mensuration for the use of schools1871 |
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Página 6
... 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 yds . 80 chains TABLES . 1 pole . = 1 fur . = 1 mile ...
... 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 yds . 80 chains TABLES . 1 pole . = 1 fur . = 1 mile ...
Página 55
... radii or diameters . Thus , if the diameter of a circle is double that of another , then its circumference is also double that of the other ; and if its diameter is three times as long , then its circumference is three times that of the ...
... radii or diameters . Thus , if the diameter of a circle is double that of another , then its circumference is also double that of the other ; and if its diameter is three times as long , then its circumference is three times that of the ...
Página 59
... radii of the two circles by their difference , and the product by 22. ( b ) Multiply the sum of the outer and inner diameters by their difference , and the product by 14 . : - Fig . 4 . Note 10. The areas of C F circles are proportional ...
... radii of the two circles by their difference , and the product by 22. ( b ) Multiply the sum of the outer and inner diameters by their difference , and the product by 14 . : - Fig . 4 . Note 10. The areas of C F circles are proportional ...
Página 60
... radii ( OG and OD ) of two concentric circles which divide the circle ABC into three equal parts . ( a ) Now , the area of the circle GHK = area of circle ABC . Therefore the radius oG ( Note C F K ОА 10 ) = 0A × √ = ~ 3 0 DG HE B That ...
... radii ( OG and OD ) of two concentric circles which divide the circle ABC into three equal parts . ( a ) Now , the area of the circle GHK = area of circle ABC . Therefore the radius oG ( Note C F K ОА 10 ) = 0A × √ = ~ 3 0 DG HE B That ...
Página 61
... radii of two circles = 33 + 30 = 63 ; and difference of two radii = 33-30 = 3 . Therefore area of walk = 63 × 3 × 22 = 594 sq . ft . Example 4. - The diameter of a circle is 30 in .; find the diameter of another circle whose area is ...
... radii of two circles = 33 + 30 = 63 ; and difference of two radii = 33-30 = 3 . Therefore area of walk = 63 × 3 × 22 = 594 sq . ft . Example 4. - The diameter of a circle is 30 in .; find the diameter of another circle whose area is ...
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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
Pasajes populares
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...