A Manual of Greek MathematicsDover Publications, 1963 - 552 pagina's |
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Pagina 87
Sir Thomas Little Heath. A to be a right angle ; therefore the sum of the angles OBA , OCA is also a right angle , and the sum of all four ( which make up the three angles of the triangle ... angled triangle are together equal to two right ...
Sir Thomas Little Heath. A to be a right angle ; therefore the sum of the angles OBA , OCA is also a right angle , and the sum of all four ( which make up the three angles of the triangle ... angled triangle are together equal to two right ...
Pagina 88
... right angles ) are equal , the triangles are equal in all respects . Therefore the angle ACD ( i.e. OCD ) is equal ... angled triangle ABC , which seems to answer well enough to Pamphile's phrase about ' de- scribing on a circle a triangle ...
... right angles ) are equal , the triangles are equal in all respects . Therefore the angle ACD ( i.e. OCD ) is equal ... angled triangle ABC , which seems to answer well enough to Pamphile's phrase about ' de- scribing on a circle a triangle ...
Pagina 94
Sir Thomas Little Heath. of a right - angled triangle , after which the extension of the theorem to any triangle would be made by dividing the triangle , by a perpendicular drawn from a vertex to the opposite side , into two right - angled ...
Sir Thomas Little Heath. of a right - angled triangle , after which the extension of the theorem to any triangle would be made by dividing the triangle , by a perpendicular drawn from a vertex to the opposite side , into two right - angled ...
Inhoudsopgave
INTRODUCTORY 157 | 5 |
NUMERICAL NOTATION AND PRACTICAL CAL | 11 |
PYTHAGOREAN ARITHMETIC | 36 |
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