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 Książki Książki 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. Elements of Geometry: Containing the First Six Books of Euclid with a ... - Strona 80
autor: John Playfair - 1855 - Liczba stron: 318
Pełny widok - Informacje o książce ## A companion to Euclid: being a help to the understanding and remembering of ...

Euclides - 1837 - Liczba stron: 88
...1. Prove that (in AS ACD, BCD,) base AD = base DB 2. that :. AD — DB. PROPOSITION XXXI. Theorem. In a circle, the angle in a semicircle is a right...less than a semicircle is greater than a right angle. Steps of the Demonstration to Part 1st, That the Z in ^ 0 is a right Z1. Prove that Z EAB = Z ABE ;...
Pełny widok - Informacje o książce ## Elements of Plane Geometry According to Euclid

Andrew Bell - 1837 - Liczba stron: 240
...DC ; the angle in the semicircle BAC is a right angle ; and the angle in the segment ABC, which is greater than a semicircle, is less than a right angle ; and the angle in the segment ADC, which is less than a semicircle, is greater than a right Bf angle. the two angles...
Pełny widok - Informacje o książce ## Elements of Geometry: Containing the First Six Books of Euclid : with a ...

John Playfair - 1837 - Liczba stron: 318
...if the centre falls without the triangle, the angle opposite to the side beyond which it is, being in a segment less than a semicircle, is greater than a right angle. Wherefore, if the given triangle be acute angled, the centre of the circle falls within it ; if it...
Pełny widok - Informacje o książce ## The Elements of Euclid: The Errors, by which Theon, Or Others, Have Long Ago ...

Euclid, Robert Simson - 1838 - Liczba stron: 416
...DC ; the angle in the semicircle BAC is a right angle ; and the angle in the segment ABC, which is greater than a semicircle, is less than a right angle ; and the angle in the segment ADC, which is less than a semicircle, is greater than a right angle. Join AE, and produce...
Pełny widok - Informacje o książce ## Euclid's Elements of plane geometry [book 1-6] with explanatory appendix ...

Euclides - 1840
...Z. ABD is less than a right angle a Prop. 32). But L ABD=Z. AFD (m. Prop. 2i) ; therefore Z. AFD or the angle in a segment greater than a semicircle is...less than a right angle. And the angle in a segment AGD less than a semicircle, is greater than a right angle. For take any point G in the segment, and...
Pełny widok - Informacje o książce ## The figures of Euclid with the enunciations, as printed in Euclid's Elements ...

Euclides - 1840
...angle in a semicircle is a right angle; the angle in a segment greater than a semicircle, is an acute angle; and the angle in a segment less than a semicircle, is an obtuse angle. PROP. XXXII. THEOR. If a straight line touches a circle, and from the point of contact...
Pełny widok - Informacje o książce ## Elements of geometry: consisting of the first four,and the sixth, books of ...

Euclides - 1842
...AD, DC: the angle in the semicircle BAC is a right angle ; and the angle in the segment ABC, which is greater than a semicircle, is less than a right angle; and the angle in the segment ADC, which is less than a semicircle, is greater than a right angle. Join A, E, and produce...
Pełny widok - Informacje o książce ## Elements of Geometry: Containing the First Six Books of Euclid, with a ...

John Playfair - 1842 - Liczba stron: 317
...DC ; the angle in the semicircle BAC is a right angle ; and the angle in the segment ABC, which is greater than a semicircle, is less than a right angle ; and the angle in the segment ADC. which is less than a semicircle, is greater than a right angle. Join AE, and produce...
Pełny widok - Informacje o książce ## Cambridge problems proposed by the moderators to the candidates for ..., Tom 2

Cambridge univ, exam. papers - 1843 - Liczba stron: 30
...equal to one another, and the diameter bisects them, that is, divides them into two equal parts. 2. In a circle the angle in a semi-circle is a right...than a semi-circle is greater than a right angle. 3. What sum must be invested in the 3 per cent, stock at 94J, to yield an annual income of £500 ?...
Pełny widok - Informacje o książce ## Euclid's Elements of geometry [book 1-6, 11,12] with explanatory notes ...

Euclides - 1845
...circumference DB. Therefore the given circumference is bisected in DQEF PROPOSITION XXXI. THEOREM. In a circle, the angle in a semicircle is a right...a segment greater than a semicircle is less than a rig/it angle; and \he angle in a segment less than a semicircle is greater than a right angle. Let...
Pełny widok - Informacje o książce