Euclid's Elements of GeometryBell & Daldy, 1872 - 261 páginas |
Dentro del libro
Resultados 1-5 de 37
Página 127
... proportional , the product of the means is equal to the product of the extremes ; in the proportion a : b :: c : d , a and d are the extremes , b and c the means . Wherefore , in order to prove the above numerically , they will stand ...
... proportional , the product of the means is equal to the product of the extremes ; in the proportion a : b :: c : d , a and d are the extremes , b and c the means . Wherefore , in order to prove the above numerically , they will stand ...
Página 161
... said to have a greater ratio to the fourth , than the first to the second . 8. Proportion is the similitude of ratios . 9. And proportion consists of three terms , at least . L 10 When three magnitudes are proportional ( A to B Fifth Book.
... said to have a greater ratio to the fourth , than the first to the second . 8. Proportion is the similitude of ratios . 9. And proportion consists of three terms , at least . L 10 When three magnitudes are proportional ( A to B Fifth Book.
Página 163
... proportional , that the difference between the first and the second is to the second as the difference between the third and the fourth to the fourth ; as is proved in Cor . 2 , Prop . 25. Ex . gr . - A to B as C to D , becomes A - B to ...
... proportional , that the difference between the first and the second is to the second as the difference between the third and the fourth to the fourth ; as is proved in Cor . 2 , Prop . 25. Ex . gr . - A to B as C to D , becomes A - B to ...
Página 178
... proportional , ( A to B as C D to E ) , they will be also inversely proportional , ( B to A , as E to CD ) . For if there be taken any equi - submultiples , b and e of B and E , as often as b is contained in A , so often also is e ...
... proportional , ( A to B as C D to E ) , they will be also inversely proportional , ( B to A , as E to CD ) . For if there be taken any equi - submultiples , b and e of B and E , as often as b is contained in A , so often also is e ...
Página 179
... proportional , ( A to B as C to D ) , the first will be to the first together with the second , as the third to the third together with the fourth , ( A to A , together with B , as C to C together with D ) . For take a and c equi ...
... proportional , ( A to B as C to D ) , the first will be to the first together with the second , as the third to the third together with the fourth , ( A to A , together with B , as C to C together with D ) . For take a and c equi ...
Otras ediciones - Ver todas
Euclid's Elements of Geometry: Translated From the Latin of ... Thomas ... Thomas Elrington Sin vista previa disponible - 2018 |
Euclid's Elements of Geometry: Translated From the Latin of ... Thomas ... Thomas Elrington Sin vista previa disponible - 2022 |
Euclid's Elements of Geometry: Translated from the Latin of ... Thomas ... Thomas Elrington Sin vista previa disponible - 2015 |
Términos y frases comunes
absurd AC and CB AC by Prop AC is equal angle ABC angles by Prop arch base bisected centre circumference CKMB co-efficient Const contained in CD contained oftener divided divisor double draw drawn equal angles equal by Constr equal by Hypoth equal by Prop equal to twice equation equi equi-multiples equi-submultiples equiangular equilateral external angle fore four magnitudes proportional given angle given circle given line given right line given triangle gonal half a right inscribed less multiplying oftener contained parallel parallelogram perpendicular PROPOSITION quantities rectangle under AC rectilineal figure remaining angles remaining side right angles right line AC Schol segment side AC similar similarly demonstrated squares of AC submultiple subtract THEOREM tiple touches the circle triangle BAC twice the rectangle
Pasajes populares
Página 18 - If two triangles have two sides of the one equal to two sides of the...
Página 28 - DE : but equal triangles on the same base and on the same side of it, are between the same parallels ; (i.
Página 207 - ... they have an angle of one equal to an angle of the other and the including sides are proportional; (c) their sides are respectively proportional.
Página 216 - If two triangles have one angle of the one equal to one angle of the other and the sides about these equal angles proportional, the triangles are similar.
Página 127 - In any proportion, the product of the means is equal to the product of the extremes.
Página 161 - Magnitudes are said to be in the same ratio, the first to the second and the third to the fourth, when, if any equimultiples whatever be taken of the first and third, and any equimultiples whatever of the second and fourth, the former equimultiples alike exceed, are alike equal to, or alike fall short of, the latter equimultiples respectively taken in corresponding order.
Página 112 - To reduce fractions of different denominators to equivalent fractions having a common denominator. RULE.! Multiply each numerator into all the denominators except its own for a new numerator, and all the denominators together for a common denominator.
Página 213 - ... are to one another in the duplicate ratio of their homologous sides.
Página 163 - Convertendo ; when it is .concluded, that if there be four magnitudes proportional, the first is to the sum or difference of the first and second, as the third is to the sum or difference of the third and fourth.
Página 88 - The angle in a semicircle is a right angle ; the angle in a segment greater than a semicircle is less than a right angle ; and the angle in a segment less than a semicircle is greater than a right angle.