Modern Methods in Elementary GeometryMacmillan, 1868 - 112 σελίδες |
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Αποτελέσματα 1 - 5 από τα 12.
Σελίδα 20
... and the interior angles to twice as many right angles as the figure has sides , diminished by four right angles . D ' B ' XX E E Let ABCDE be any convex polygon . B Through any point O draw OB ' , OC ' 20 ELEMENTARY GEOMETRY .
... and the interior angles to twice as many right angles as the figure has sides , diminished by four right angles . D ' B ' XX E E Let ABCDE be any convex polygon . B Through any point O draw OB ' , OC ' 20 ELEMENTARY GEOMETRY .
Σελίδα 21
... twice as many right angles as the figure has sides . Hence the interior angles are equal to twice as many right angles as the figure has sides , diminished by four right angles . COR . The exterior angle of any regular polygon of n ...
... twice as many right angles as the figure has sides . Hence the interior angles are equal to twice as many right angles as the figure has sides , diminished by four right angles . COR . The exterior angle of any regular polygon of n ...
Σελίδα 26
... twice DA + DB + DC . 4. The two sides of a triangle are together greater than twice the straight line drawn from the vertex to the middle point of the base . 5. If E be a point within the triangle ABC , the angle BEC is greater than the ...
... twice DA + DB + DC . 4. The two sides of a triangle are together greater than twice the straight line drawn from the vertex to the middle point of the base . 5. If E be a point within the triangle ABC , the angle BEC is greater than the ...
Σελίδα 46
... twice as great as AB , AOC is twice as great as AOB . And AD being three times as great as AB , AOD is three times as great as AOB . And if AK be m times as great as AB , AOK is m times as great as AOB . Similarly if AG be n times as ...
... twice as great as AB , AOC is twice as great as AOB . And AD being three times as great as AB , AOD is three times as great as AOB . And if AK be m times as great as AB , AOK is m times as great as AOB . Similarly if AG be n times as ...
Σελίδα 48
... twice whole ACB . rem . ( fig . 3 ) AOB = twice rem . ACB . When the arc ADB is greater than a semicircle , the angle AOB will be greater than two right angles . We shall call it the convex angle AOB , and denote it by AOB , to ...
... twice whole ACB . rem . ( fig . 3 ) AOB = twice rem . ACB . When the arc ADB is greater than a semicircle , the angle AOB will be greater than two right angles . We shall call it the convex angle AOB , and denote it by AOB , to ...
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A'BC Algebra alternate angle altitude angle equal arc CD ARITHMETIC bisect BROOKE FOSS WESTCOTT Cambridge centre circle touching circumference Clifton College cloth coincide congruent CONIC SECTIONS contain convex angle convex polygon Crown 8vo diagonals diameter dicular divide EDUCATIONAL BOOKS Edward Thring ELEMENTARY TREATISE equal angles equally distant equally remote equiangular equilateral triangle Examples exterior angle Extra fcap Fcap Find the locus GEOMETRY given angle given circle given line given point given straight line Grammar greater Head Master Hence intersect isosceles John's College late Fellow Let ABCD line drawn measure meet middle point opposite sides parallel to CD parallelogram perpen perpendicular polygon produced quadrilateral figure radius rectangle right-angled triangle Schools Second Edition segments Shew shortest line similar triangles square on BC student tangent THEOREM THEOREM VII trapezium triangle ABC vertex