Explanatory mensuration for the use of schools1871 |
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Página 9
... diagonal AC of a square or rectangle is the hypothenuse of the right - angled triangle D ABC , or of the right - angled triangle ADC . The length and breadth of the square or rectangle ( which in the case of the square are equal to each ...
... diagonal AC of a square or rectangle is the hypothenuse of the right - angled triangle D ABC , or of the right - angled triangle ADC . The length and breadth of the square or rectangle ( which in the case of the square are equal to each ...
Página 11
... diagonal . ( 12 ) The diagonal of a square is 33 ft . 4 in .; what is the length of each side ? ( 13 ) The diagonal of a rectangle is 46 ft . 5 in . , and its length is 44 ft . 4 in .; find its breadth . ( 14 ) The length of each side ...
... diagonal . ( 12 ) The diagonal of a square is 33 ft . 4 in .; what is the length of each side ? ( 13 ) The diagonal of a rectangle is 46 ft . 5 in . , and its length is 44 ft . 4 in .; find its breadth . ( 14 ) The length of each side ...
Página 13
... angles . BD is the diagonal . The perimeter of a square is the sum B of all its sides , or four times the length of a side . Q RULES .- ( 1 ) To find the area of THE SIDES OF A RIGHT - ANGLED TRIANGLE . 13 THE SQUARE.
... angles . BD is the diagonal . The perimeter of a square is the sum B of all its sides , or four times the length of a side . Q RULES .- ( 1 ) To find the area of THE SIDES OF A RIGHT - ANGLED TRIANGLE . 13 THE SQUARE.
Página 14
... diagonal is given . Square the diagonal , and divide by 2 . Note 1. - To find the side of a square , when its area is given . — Take the square root of the area . Note 2. - To find the diagonal of a square , when its area is given ...
... diagonal is given . Square the diagonal , and divide by 2 . Note 1. - To find the side of a square , when its area is given . — Take the square root of the area . Note 2. - To find the diagonal of a square , when its area is given ...
Página 16
... square root of 405 , we have 20 · 12 + ft .; the length of the room . Formulæ I. Area - side2 II . Area diagonal2 = 2 III . Side = √area IV . Diagonal = √2 area . EXAMPLES . Find the area of the square , when 16 THE SQUARE .
... square root of 405 , we have 20 · 12 + ft .; the length of the room . Formulæ I. Area - side2 II . Area diagonal2 = 2 III . Side = √area IV . Diagonal = √2 area . EXAMPLES . Find the area of the square , when 16 THE SQUARE .
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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...