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Geometry Problem 1357.
Regular Dodecagon, Diagonals, Concurrency, Collinearity, Points, Lines. |
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Geometry Problem 1356.
Quadrilateral, Triangle, Angle, 30 Degrees, Congruence. |
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Geometry Problem 1355.
Triangle, Midpoint, Median, Circle, Chord, Equal Product of measure of segments. |
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Typography of Geometry Problem 1355.
Using iPad Apps. |
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Geometry Problem 1354. Circle, Tangent Lines, Secant, Chord, Center, Parallel Lines. |
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Typography of Geometry Problem 1354.
Using iPad Apps. |
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Geometry Problem 1353. Tangent Circles, Perpendicular Diameters, Congruence, 30 Degrees. |
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Typography of Geometry Problem 1353.
Using iPad Apps. |
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Geometry Problem 1352. Rectangles, Sum of Squared Distances. |
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Geometry Problem 1351. Two Tangential or Circumscribed Quadrilaterals, Midpoints, Perpendiculars. |
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Geometry Problem 1350. Triangle with three Intersecting Circles, Incircle, Collinear Points. |
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Geometry Problem 1349. Three Squares, 90 Degrees, Perpendicular Lines, Diagonal. Math Infographic. |
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Typography of Geometry Problem 1349 with Machu Picchu in the background. |
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MindMap of Academic
Disciplines
Academic Disciplines in motion. |
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Geometry Problem 1348. Three Concentric Circles, Equilateral Triangle, Perpendicular Bisector, Congruence. |
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Geometry Problem 1347. Triangle, Angle Bisector, Congruence, Circumcircle, Tangent, Equilateral Triangle. |
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Geometry Problem 1346. Equilateral Triangle, Point on the Incircle, Altitude, Perpendicular, Sum of Squares, Distance. |
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Geometry Problem 1345: Three Equilateral Triangles, Center, Area, Common Vertex. |
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Geometry Problem 1344, Bottema's Theorem: Triangle and Squares with Interactive
Geometry Software. |
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Problem 1343.
Triangle, Excircles, Circle, Tangent, Tangency Points, Chord, Perpendicular, 90 Degrees, Collinearity. Machu Picchu in the background.
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Problem 1342.
Circle, Secant, Chord, Midpoint, Concyclic Points, Cyclic Quadrilateral.
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Problem 1341.
Isosceles Triangle, 80-20-80 Degrees, Circumcenter, Angle Bisector.
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Problem 1340.
Triangle, Incenter, Concentric Circles, Isosceles Triangles, Congruence.
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Problem 1339.
Circle, Diameter, Tangent, Secant, Parallelogram.
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Problem 1338.
Four Squares, Diagonals, Angle, 45 Degrees, Areas.
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Problem 1337.
Parallelogram, Diagonals, Circle, Circumcircle, Tangent Line, Triangle, Congruence.
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Problem 1336.
Right Triangle, Cevian, Double Angle, Perpendicular, 90 Degrees.
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Problem 1335. The
Lune of Hippocrates has the same area of a Kite.
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Problem 1334. Square, Kite, Sum of Segments.
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Geometry Problem 1333.
Two Squares Side by Side, Three Triangles, Area, Measurement. |
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Geometry Problem 1332.
Two Squares Side by Side, Triangle, Area. |
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Geometry Problem 1331.
Two Squares Side by Side, Parallel, Perpendicular, 90 Degrees, Measurement. |
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Geometry Problem 1330.
Two Squares Side by Side, Parallel, 45, 90 Degrees. |
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Geometry Problem 1329.
Two Squares Side by Side, Parallel, Perpendicular, 90 Degrees, Congruence. |
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Geometry Problem 1328.
Two Squares Side by Side, Perpendicular, 90 Degrees, Congruence. |
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Geometry Problem 1327.
Two Squares Side by Side, Perpendicular, 90 Degrees, Angle. |
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Geometry Problem 1326.
Triangle, Cevian, Incenters, Sum of Angles, 270 Degrees. |
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Geometry Problem 1325.
Octagons, Midpoints, Squares, Mobile Apps, iPad. |
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Geometry Problem 1324.
Quadrilateral, Diagonal, 45 Degrees, Angle Bisector, Isosceles Triangle, Congruence. |
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Geometry Problem 1323.
Square, Angle Trisector, Diagonal, Regular Dodecagon, Area, 30-60 degrees. |
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Geometry Problem 1322.
Triangle, Angle Bisector, Circumcircle, Chord, Secant, Sum of two Angles. |
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Geometry Problem 1321.
Intersecting Circles, Diameter, Secant, Chord, Collinearity. |
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Geometry Problem 1320.
Triangle, Incircle, Tangent, Chord, Circle, Parallel, Perpendicular, Collinearity. |
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Geometry Problem 1319.
Hexagons, Equilateral Triangles, Centers, Midpoints. |
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Geometry Problem 1318.
Rectangle, Equilateral Triangle, Distances, Perpendicular, Measurement. |
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Geometry Problem 1317.
Triangle, Excircle, Chord, Tangent, Midpoint, Arc, Sum of two Segments, Congruence. |
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Geometry Problem 1316.
Triangle, Incircle, Tangent, Chord, Midpoint, Sum of two Segments, Congruence. |
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Geometry Problem 1315.
Triangle, Incircle, Tangent, Chord, Circle, Congruence. |
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Geometry Problem 1314.
Equilateral Triangle, Incircle, Inscribed Circle, Tangent, Congruence. |
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Geometry Problem 1313.
Regular Decagon, Pentadecagon, Equilateral Triangle, Congruence. |
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Geometry Problem 1312.
Triangle, 60 Degrees, Circle, Circumcenter, Orthocenter, Altitude, Distance, Perpendicular, Measurement. |
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Geometry Problem 1311.
Inscribed Triangle, Circle, Circumcircle, Concyclic Points, Measurement. |
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Geometry Problem 1310.
Square, Center, Right Triangle, Area, Measurement. |
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Geometry Problem 1309.
Triangle, Circle, Inradius, Excircle, Tangent, Exradius, Measurement. |
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Geometry Problem 1308.
Quadrilateral, Diagonal, Triangle, Incircle, Tangent Line, Sides, Measurement. |
|
Geometry Problem 1307.
Triangle, Incenter, Parallel line, Sides, Measurement. |
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Geometry Problem 1306.
Cyclic, Inscribed Quadrilateral, Circle, Tangent, Diagonals, Collinear Points. |
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