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The angle at the centre of a circle is double of the angle at the circumference upon the same base, that is, upon the same part of the circumference.
A Treatise on Surveying, Containing the Theory and Practice: To which is ... - Página 43
por John Gummere - 1814 - 346 páginas
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## Report of the examination held (Dec. 1859)-73

Cowley Oxon, dioc. school - 1860 - 318 páginas
...equal to the squares of the two parts, together with twice the rectangle contained by the parts. 4. The angle at the centre of a circle is double of the...base, that is upon the same part of the circumference. 5. Similar triangles are to one another in the duplicate ratio of their homologous sides. 6. If two...
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## Parliamentary Papers, Volumen19

Great Britain. Parliament. House of Commons - 1861 - 588 páginas
...in the circumference of a circle the straight line which joins them shall fall within the circle. 9. The angle at the centre of a circle is double of the angle at the circumference upon the same base. 10. If a straight line touch a circle and from the point of contact a straight line be drawn cutting...
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## Calendar

University of St. Andrews - 1891 - 440 páginas
...point of contact. The distance between their centres is equal to the difference of their radii. 5. The angle at the centre of a circle is double of the angle at the circumference upon the same base — ie, upon the same part of the circumference. ALGEBRA. {All the working must be shown.) 1. Multiply...
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## The popular educator, Volumen2

Popular educator - 1860
...the proposition called by Simeon the twentieth of the third Book, the object of which jg to phow that the angle at the centre of a circle is double of the angle at the circumference. «Cor. 16. 11 evidence is deminded of the existence of magnitudes which, \g added together to any number...
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## Examination,Midsummer,1879

Education Department - 1879
...line which bisects the angle between two equal chords will pass through the centre of the circle. 4. The angle at the centre of a circle is double of the angle at the circumference on the same base. It' a circle pass through three adjacent angular points of a regular hexagon it will...
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## Annual Report of the Public Schools of the Province of British Columbia

British Columbia. Superintendent of Education - 1897 - 708 páginas
...quarter of the triangle. 3. Describe a square that shall be equal to a given rectilinear figure. 4. The angle at the centre of a circle is double of the angle at the circumference, subtended by the same arc. 5. (a.) Describe a circle which shall touch three given straight lines....
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## A First Course of Geometry

130 páginas
...the point B on the point E; .'. the arc AGB coincides with the arc DHE and is equal to it. 80. Since the angle at the centre of a circle is double of the angle at the circumference which stands on the same arc, it follows that the arcs on which equal angles at the circumferences...
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## Minutes of the Committee of Council on Education, Volumen2

...base and the straight line intercepted between the perpendicular and the obtuse angle. Section 2. 1 . The angle at the centre of a circle is double of the angle at the circumference. 2. To inscribe a circle in a given triangle. 3. If two straight lines cut one another in a circle,...
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## Calendar

...a volume of 1 cubic foot. What is its volume when the pressure is 20 and the temperature 200? B. 8. The angle at the centre of a circle is double of the angle at the circumference subtended by the same arc. Prove that if two circles touch each other externally, and parallel diameters...
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