Geometry Problem 1301.
Arbelos, Semicircles, Diameters, Circle, Incircle, Incenter, Square, Midpoint, Concurrency.
Geometry Problem 1302.
Triangle, Median, Midpoint, Circles, Diameters, Congruence.
Geometry Problem 1303.
Triangle, 60 Degrees, Angle Bisector, Measurement.
Geometry Problem 1304.
Triangle, 120 Degrees, Angle Bisector, Measurement.
Geometry Problem 1305.
Triangle, Circumcircle, Angle Bisector, Arc, Perpendicular, Area.
Geometry Problem 1306.
Cyclic, Inscribed Quadrilateral, Circle, Tangent, Diagonals, Collinear Points.
Geometry Problem 1307.
Triangle, Incenter, Parallel line, Sides, Measurement.
Geometry Problem 1308.
Quadrilateral, Diagonal, Triangle, Incircle, Tangent Line, Sides, Measurement.
Geometry Problem 1309.
Triangle, Circle, Inradius, Excircle, Tangent, Exradius, Measurement.
Geometry Problem 1310.
Square, Center, Right Triangle, Area, Measurement.

Geometry Problem 1311.
Inscribed Triangle, Circle, Circumcircle, Concyclic Points, Measurement.
Geometry Problem 1312.
Triangle, 60 Degrees, Circle, Circumcenter, Orthocenter, Altitude, Distance, Perpendicular, Measurement.
Geometry Problem 1313.
Regular Decagon, Pentadecagon, Equilateral Triangle, Congruence.
Geometry Problem 1314.
Equilateral Triangle, Incircle, Inscribed Circle, Tangent, Congruence.
Geometry Problem 1315.
Triangle, Incircle, Tangent, Chord, Circle, Congruence.
Geometry Problem 1316.
Triangle, Incircle, Tangent, Chord, Midpoint, Sum of two Segments, Congruence.
Geometry Problem 1317.
Triangle, Excircle, Chord, Tangent, Midpoint, Arc, Sum of two Segments, Congruence.
Geometry Problem 1318.
Rectangle, Equilateral Triangle, Distances, Perpendicular, Measurement.

Geometry Problem 1319.
Hexagons, Equilateral Triangles, Center, Midpoints.
Geometry Problem 1320.
Triangle, Incircle, Tangent, Chord, Circle, Parallel, Perpendicular, Collinearity.
Geometry Problem 1321.
Intersecting Circles, Diameter, Secant, Chord, Collinearity.
Geometry Problem 1322.
Triangle, Angle Bisector, Circumcircle, Chord, Secant, Sum of two Angles.
Geometry Problem 1323.
Square, Angle Trisector, Diagonal, Regular Dodecagon, Area, 3060 degrees.
Geometry Problem 1324.
Quadrilateral, Diagonal, 45 Degrees, Angle Bisector, Isosceles Triangle, Congruence.

