Euclid's Elements of GeometryBell & Daldy, 1872 - 261 sider |
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Side iii
... appear to have been void of any knowledge of Geometry . Some writers tell us , that Pythagoras visited India ; this , together with other reasons , induce many to form an opinion , that Geometry came from that country . Pythagoras , who ...
... appear to have been void of any knowledge of Geometry . Some writers tell us , that Pythagoras visited India ; this , together with other reasons , induce many to form an opinion , that Geometry came from that country . Pythagoras , who ...
Side iv
... appears to have been in the reign of Henry I. by a monk of Bath , named ATHELARD . From about the tenth century , the Astronomy , Philosophy , and Physic taught in Europe were principally drawn from Arabian Schools that were established ...
... appears to have been in the reign of Henry I. by a monk of Bath , named ATHELARD . From about the tenth century , the Astronomy , Philosophy , and Physic taught in Europe were principally drawn from Arabian Schools that were established ...
Side vi
... appears that the Arabians received it from the Persians and Indians ; but the Persians seem to refer the art to the Greeks : however its source is still disputed . The portion of Algebra here attached to each book will be found to ...
... appears that the Arabians received it from the Persians and Indians ; but the Persians seem to refer the art to the Greeks : however its source is still disputed . The portion of Algebra here attached to each book will be found to ...
Side 17
... appears from Prop . 32 . PROPOSITION XXII . PROBLEM . Given three right lines ( A , B , and C ) , of which any two to- gether are greater than the remaining line , to construct a triangle , whose sides will be equal to the given lines ...
... appears from Prop . 32 . PROPOSITION XXII . PROBLEM . Given three right lines ( A , B , and C ) , of which any two to- gether are greater than the remaining line , to construct a triangle , whose sides will be equal to the given lines ...
Side 18
... appears that the sides DE , DK and KE of the triangle DKE are equal to the given lines A , B and C. COR . - Hence a triangle can be constructed equal to a given one , namely , by constructing a triangle whose sides are equal to the ...
... appears that the sides DE , DK and KE of the triangle DKE are equal to the given lines A , B and C. COR . - Hence a triangle can be constructed equal to a given one , namely , by constructing a triangle whose sides are equal to the ...
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Vanlige uttrykk og setninger
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
Populære avsnitt
Side 18 - If two triangles have two sides of the one equal to two sides of the...
Side 28 - DE : but equal triangles on the same base and on the same side of it, are between the same parallels ; (i.
Side 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.
Side 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.
Side 127 - In any proportion, the product of the means is equal to the product of the extremes.
Side 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.
Side 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.
Side 213 - ... are to one another in the duplicate ratio of their homologous sides.
Side 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.
Side 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.