 | William Somerville Orr - 1854 - 534 pàgines
...THEOREM. The angle (ВАС) in a semicircle (BADC) is a right angle : the angle in a segment (ABGC) greater than a semicircle, is less than a right angle : and the angle (D) in a segment (ADC) less than a semicircle, is greater than a right angle. From the centre, E, draw... | |
 | Great Britain. Committee on Education - 1855 - 976 pàgines
...and if it cuts it at right angles it shall bisect it. 7. The angle in a semicircle is a right angle ; the angle in a segment greater than a semicircle is...less than a semicircle is greater than a right angle. 8. To inscribe a circle in a given square. ALGEBRA. — (SECOND SECTION.) 1. Add together — (a +... | |
 | John Playfair - 1855 - 334 pàgines
...in a semicircle is a right angle ; but the angle tn a segment greater than a semicircle is less then a right angle ; and the angle in a segment less than a semicircle is greater than a right angle. Let A BCD be a circle, of which the diameter is BC, and centre E ; draw CA dividing the circle into the... | |
 | Euclides - 1855 - 270 pàgines
...trisection of an angle. PROP. XXXI. THEOREM. In a circle, 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 anyle in a segment less than a semicircle is greater than a right angle. Let AB СD be a circle, of... | |
 | Cambridge univ, exam. papers - 1856 - 200 pàgines
...angle at the circumference, upon the same base, that is, upon the same part of the circumference. 13. In a circle, the angle in a semicircle is a right...less than a semicircle is greater than a right angle. EUCLID (B). 1. DEFINE a line, a superficies, and the centre of a circle. 2. Upon the same base, and... | |
 | Cambridge univ, exam. papers - 1856 - 252 pàgines
...the point of contact. 10. In a circle, the angle in a semicircle is a right angle; bu.t the angle iii a segment greater than a semicircle is less than a...less than a semicircle is greater than a right angle. 11. From a given circle to cut off a segment, which shall contain an angle equal to a given rectilineal... | |
 | Peter Nicholson - 1856 - 518 pàgines
...two right angles. THEOREM 37. 94. An angle ABD, in a semi-circle, is a right angle ; an angle BAD, in a segment greater than a semi-circle, is less than a right angle ; and an angle, BED, in a segment less than a semi-circle, is greater than a right angle. Produce AB to F,... | |
 | Euclides - 1856 - 168 pàgines
...in ADC and join AB, AE, AD, D C. The angle BAC is a right.angle ; the angle ABC in the segment ABC greater than a semicircle is less than a right angle ; and the angle ADC in the segment ADC less than a semicircle is greater than a right angle. Because EB is equal to... | |
 | W. Davis Haskoll - 1858 - 422 pàgines
...right angle ; and an angle in a segment greater than the semicircle is less than a right angle ; and an angle in a segment less than a semicircle is greater than a right angle. If a straight line touch a circle, and from the point of contact a straight line be drawn cutting the... | |
 | Sandhurst roy. military coll - 1859 - 672 pàgines
...are together equal to two right angles. 5. In a circle, 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 Jess than a semicircle is greater than a right angle. 6. If from any point without a circle two straight... | |
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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. 
