|
Circles, Theorems and Problems: Table of Content
(Page 5 of 10)
|
|
 |
|
|
 |
Sagitta, Arc, Chord. |
|
 |
Pi
Day.
Saturday, March 14, 2009 = 3.14
It's time to get irrational. Tomorrow is Pi Day, when mathematicians will gather to celebrate the mystery of science's most famous strange number. |
|
 |
Go Geometry
Education Index |
|
 |
Proposed Problem 291.
Triangle, Circle, Circumradius, Perpendicular. |
|
 |
Proposed Problem 290.
Internally Tangent circles, Radius, Perpendicular, Tangent. |
|
 |
Proposed Problem 289.
Tangent circles, Radius, Perpendicular, Tangent |
|
 |
Proposed Problem 285.
Circular Sector 90 degrees, Semicircles, Circle, Tangent, Radius. |
|
 |
Proposed Problem 284.
Circular Sector 90 degrees, Semicircles, Tangent, Radius. |
|
 |
Proposed Problem
283.
Circular Sector 90 degrees, Semicircle, Circle inscribed, Radius. |
|
 |
Proposed Problem
279.
Tangent Circles, Common External Tangent, Chords, Inradius. |
|
 |
Proposed Problem
278.
Tangent Circles, Common External Tangent, Chord. |
|
 |
Proposed Problem
277.
Tangent Circles, Common External Tangent. |
|
 |
Proposed Problem
276.
Square, 90 degree Arcs, Circle, Radius. |
|
 |
Proposed Problem
275.
Right Triangle, Circumcircle, Sagitta, Inradius. |
|
 |
Proposed Problem
271.
Tangent Circles, the Cube of the Common external tangent. |
|
 |
Proposed Problem
270.
Tangent Circles, Common external tangent, Fractional exponents. |
|
 |
Proposed Problem
262.
Regular Hexagon inscribed in a circle, sum of distances. |
|
 |
Proposed Problem
261.
Regular Pentagon inscribed in a circle, sum of distances.
|
|
 |
Proposed Problem
257.
Equilateral Triangle, Circumcircle, Point, Vertices, Side, Distances,
Squares.
|
|
 |
Proposed Problem
256.
Equilateral Triangle, Circumcircle, Point, Vertices, Distances.
|
|
 |
Proposed Problem
248.
Napoleon's Theorem III. Inner and outer Napoleon triangles, Area.
|
|
 |
Proposed Problem
247.
Napoleon's Theorem II. Internal Equilateral triangles. Inner Napoleon
triangle.
|
|
 |
Proposed Problem
246.
Napoleon's Theorem I. External Equilateral triangles. Outer Napoleon
triangle.
|
|
 |
Proposed Problem
220. Right Triangle, Altitude, Angle Bisector, Distance, Arithmetic Mean.
|
|
 |
Proposed Problem
215.
Quadrilateral, Angle Bisectors, and Cyclic
Quadrilateral.
|
|
 |
Proposed Problem
213. Triangle, Incircle, Inradius, Semicircles, Common Tangents. |
|
 |
Archimedes Arbelos and Square
2.
Dynamic Geometry Software.
Step-by-Step construction, Manipulation, and animation. |
|
 |
Archimedes Arbelos and Square 1.
Dynamic Geometry Software.
Step-by-Step construction, Manipulation, and animation. |
|
 |
Proposed Problem
209. Triangle, Incircles, Inradius. |
|
 |
Proposed Problem
208. Triangle, Excircles, Angles, 360 degrees. |
|
 |
Proposed Problem
207. Right Triangle, Hypotenuse, Inradius, Exradius relative to the hypotenuse. |
|
 |
Problem 206. Area of a Right Triangle, Inradius, andExradius relative to the hypotenuse. |
|
 |
Proposed Problem
205. Right Triangle Area, Exradii relatives to legs or catheti. |
|
 |
Proposed Problem
204. Right Triangle, Incircle, Excircles, Inradius, Exradii. |
|
 |
Proposed Problem
203. Right Triangle, Excircles, Exradii, Hypotenuse. |
|
 |
Proposed Problem
202. Right Triangle, Incicrle, Excircles relatives to catheti, Points of Tangency, Exradius, Semiperimeter. |
|
 |
Proposed Problem
201. Right Triangle, Excircles, Points of Tangency, Exradius, Semiperimeter. |
|
 |
Proposed Problem
200. RightTriangle, Incircle, Excircles, Points of Tangency, Inradius. |
|
 |
Proposed Problem
197. Area of a Triangle, Side, Inradius, and Exradius. |
|
 |
Proposed Problem
196. Triangle, Inradius and Exradii Formula. |
|
 |
Proposed Problem
195. Area of a Triangle, Inradius, Exradii. |
|
 |
Proposed Problem
194. Area of a Triangle, Semiperimeter, Exradius. |
|
 |
Proposed Problem
193. Area of a Triangle, Semiperimeter, Inradius. |
|
 |
Proposed Problem
192. Circle, Diameter, Chord, Perpendicular, Triangle, Area. |
|
 |
Proposed Problem
190. Tangent circles, Tangent chord, Perpendicular, Distance. |
|
 |
Proposed Problem
187. Right Triangle, Altitude, Incenters, Circles,
Angles. |
|
 |
Proposed Problem
186. Right Triangle, Altitude, Incenters, Circles. |
|
 |
Proposed Problem
182. Overlapping Circles, Find an angle. |
|
 |
Proposed Problem
181. Circular Sector of 90 degrees, find an angle. |
|
 |
Proposed Problem
180. Circles Tangent Externally, Common External Tangents, Areas. |
|
 |
Proposed Problem
160. Triangle, Incircle, Incenter, Circumcircle, Circumcenter, Inradius. |
|
 |
Proposed Problem
159. Distances from the Circumcenter to the Incenter and the Excenters. |
|
 |
Proposed Problem
158. Relation between the Circumradius, Inradius and Exradii of a triangle. |
|
 |
Proposed Problem
157. Distance from the Circumcenter to the Excenter. |
|
 |
Proposed Problem
156. Triangle, Circumradius, Exradius, Chord, Secant line. |
|
Go to Page: Previous |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
Next |
