Online Geometry: Triangles, Theorems and Problems

Online Geometry

Triangles Theorems and Problems- Page 6

Triangles

Geometry problem 1204

Geometry Problem 1204
Square, Triangle, Area.

Geometry problem 1203

Geometry Problem 1203
Right Triangle, Square, Angle Bisector, Three Congruent Quadrilaterals.

Geometry problem 1201

Geometry Problem 1201
Triangle, Interior Perpendicular Bisector, Midpoint, Area.

Geometry problem 1200

Geometry Problem 1200
Square, Right Triangle, Perpendicular, 90 Degrees, Equal Areas.

Kaleidoscope of Word Cloud of Triangle based on Poincare Disk Model

Kaleidoscope of Word Cloud of Triangle based on Poincare Disk Model.

Geometry problem 1199

Geometry Problem 1199
Equilateral Triangle, Square, Altitude, Circle, Incircle, Inradius, Metric Relations.

Geometry problem 1198

Geometry Problem 1198
Right Triangle, Square, Rectangle, Quadrilateral, Altitude, Equal Areas.

Geometry problem 1197

Geometry Problem 1197
Four Squares, Four Triangles, Equal Areas.

Geometry problem 1196

Geometry Problem 1196
Parallelogram, Midpoint, Metric Relations.

Geometry problem 1194

Geometry Problem 1194
Equilateral Triangle, Perpendicular, Distance, Side, Metric Relations.

Geometry problem 1193

Geometry Problem 1193
3-4-5 Right Triangle, Congruent Circles, Tangent, Radius.

Geometry problem 1192

Geometry Problem 1192
Trapezoid, Triangle, Diagonal, Midpoint, Area, Parallel.

Geometry problem 1188

Geometry Problem 1188
Triangle, Parallelogram, Parallel Lines, Trapezoid, Area.

Geometry problem 1187

Geometry Problem 1187
Triangle, Quadrilateral, Midpoints, Area.

Geometry problem 1186

Geometry Problem 1186
Right Triangle, Square, Inscribed Circle, Tangent, Quadrilateral, Area.

Geometry problem 1185

Geometry Problem 1185
Similar Rectangles, Four Quadrilaterals, Sum of the Areas, Metric Relations.

Geometry problem 1184

Geometry Problem 1184
Right Triangle, Square, Inscribed Circle, Tangent, Concurrent Lines.

Geometry problem 1180

Geometry Problem 1180
Quadrilateral, 120 Degrees, Diagonals, Perpendicular.

Geometry problem 1179

Geometry Problem 1179
Triangle, Centroid, Transversal, Sum of Ratios, Sides.

Geometry problem 1178

Geometry Problem 1178
Triangle, Angle Bisector, Metric Relations.

Geometry problem 1177

Geometry Problem 1177
Triangle, Two Angle Bisectors, Metric Relations.

Geometry problem 1174

Geometry Problem 1174
Triangle, Quadrilateral, Double, Triple, Angle, Congruence, Excenter, Angle Bisector.

Geometry problem 1173

Geometry Problem 1173
Triangle, Cevian, Angle, Congruence, Similarity.

Geometry problem 1172

Geometry Problem 1172
Cyclic Quadrilateral, Circle, Secant, Triangle, Similarity, Metric Relations.

Geometry problem 1171

Geometry Problem 1171
Area of a Triangle in terms of the three altitude or heights ha, hb, hc.

Geometry problem 1170

Geometry Problem 1170
Area of a Triangle in terms of the three sides, a-b-c.

Geometry problem 1169

Geometry Problem 1169
Complete Quadrilateral, Orthocenters of the Component Triangles, Collinear Points, Ortholine, Steiner-line, Orthocentric line.

Geometry problem 1167

Geometry Problem 1167.
Triangle, Circle, Circumcircle, Perpendicular, 90 Degrees, Collinear Points.

Geometry problem 1166

Geometry Problem 1166.
Triangle, Circles, Diameters, Secant, Midpoint, Congruence.

Geometry problem 1165

Geometry Problem 1165.
Right Triangle, Circle, Center, Radius, Cathetus, Perpendicular, 90 Degrees, Perimeter, Metric Relations.

Geometry problem 1164

Geometry Problem 1164.
Triangle, Angle Bisector, Cevian.

Geometry problem 1163

Geometry Problem 1163.
Isosceles Triangle, Congruence, Double Angle, Circle, Concyclic Points, Circumcenter, Perpendicular, Angle Bisector.

Geometry problem 1162

Geometry Problem 1162.
Triangle, Congruence, Double Angle, Parallel Lines, Circle, Circumcenter.

Geometry problem 1161

Geometry Problem 1161.
Scalene Triangle, 60 Degrees, Angle, Orthocenter, Circumcenter, Equilateral Triangle, Congruence.

Geometry problem 1160

Geometry Problem 1160.
Triangle, Three Squares, Area, Equivalent Triangles.

Geometry problem 1159

Geometry Problem 1159.
Triangle, Circumcircle, Sagitta, Chord, Arc, Metric Relations.

Geometry problem 1158

Geometry Problem 1158.
Four Tangent Circles, Tangent Chord, Radius, Metric Relations.

Geometry problem 1157

Geometry Problem 1157.
Four Circles, Mutually Tangent, 90 Degrees, Radius, Metric Relations.

Geometry problem 1156

Geometry Problem 1156.
Square, Tangent Line, 90 Degrees, Metric Relations.

Geometry problem 1155

Geometry Problem 1155.
Right Triangle, Altitude, Incenter, Incircle, Area.

Geometry problem 1153

Geometry Problem 1153.
Triangle, Angle Bisectors, Perpendicular, Congruence.

Isolines: the Valknut

Geometric Art: Isolines, the Valknut, three Interlocked Triangles, Geometry for Kids, Software, iPad, Parallel Lines

Geometry problem 1152

Geometry Problem 1152.
Triangle, Quadrilateral, Angle, 10, 20, 30 Degrees.

Isolines: Celtic Maze

Geometric Art: Isolines, Triquetra, Celtic Knotwork, Trefoil Knot, Parallel Lines, Geometry for Kids, Software, iPad, Parallel Lines

Geometry problem 1151

Geometry Problem 1151.
Circle, Diameter, Chord, Perpendicular Secants, 90 Degrees, Metric Relations.

Geometry problem 1150

Geometry Problem 1150.
Circle, Perpendicular Secants, 90 Degrees, Congruence.

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Last updated: Feb 8, 2015