# Midpoint, Theorems and Problems - Table of Content (Page 6)

Geometry Problem 587.
Triangle, Incenter, Incircle, Tangency Point, Midpoint, Distance, Half the Difference.

Problem 577.
Isosceles triangle, Midpoint, Perpendicular, Concyclic points, Circle.

Problem 537.
Rectangle, Midpoints, Diagonal, Angle Bisector.

Problem 531.
Triangle, Angle Bisector, Midpoint, Parallel, Perimeter, Semiperimeter.

Problem 527.
Circle, Tangent, Secant, Chord, Midpoint, Measurement.

Problem 524.
Circle, Equilateral Triangles, Midpoint, Side, Measurement.

Problem 510.
Triangle, Three Squares, Midpoints, Concurrency.

Problem 506.
Triangle with Three Squares, Center, Midpoint, Perpendicular.

Problem 502.
Triangle, Two Squares, Midpoint, Perpendicular, Half the measure.

Problem 501.
Triangle, Two Squares, Center, Midpoint, another Square.

Problem 497.
Triangle, Two Squares, Centers, Midpoint, 90 Degrees.

Problem 486.
Tangent circles, Chord, Arc, Midpoint, Collinearity, Congruence.

Problem 482.
Triangle, Circumcircle, Incenter, Excenter, Midpoint, Cyclic Points.

Problem 469.
Isosceles triangle, Midpoint, Transversal, Congruence.

Problem 468.
Circle, Chord, Midpoint, Congruence, Angle.

Proposed Problem 431.
Quadrilateral, Midpoints of Diagonals, Transversal.

Proposed Problem 397.
Triangle, Altitude, Midpoints, Congruence.

Proposed Problem 393.
Triangle, Orthocenter, Circumcircles, Congruence, Collinear.

Proposed Problem 331.
Square, Point on the Inscribed Circle, Tangency Points.
Midpoints.

Proposed Problem 328.
Triangle, Incircle, Tangency Points, Parallel, Midpoint.

Proposed Problem 326.
Equilateral triangle, Semicircle, Equal arcs. Midpoints.

Proposed Problem 322.
Square, Inscribed circle, Tangent, Triangle area. Midpoints.

Newton's Theorem, Newton-Gauss Line: Complete quadrilateral theorem. Using TracenPoche Dynamic Geometry Software, Online Step-by-Step construction, manipulation, and animation. Midpoints.

Feuerbach Points and Nine-Point Circle with interactive animation, manipulation, and step-by-step construction.

Proposed Problem 321.
Triangle, Incenter, Excircle, Midpoint of the Altitude, Collinearity.

Proposed Problem 308.
Regular Nonagon or Enneagon, Midpoints, Side, Arc, Angle.

Proposed Problem 307.
Regular Nonagon or Enneagon, Midpoints, Side, Arc, Angle.

Proposed Problem 299.
Intersecting Circles, Chord, Secant, Midpoint, Congruence.

Proposed Problem 298.
Intersecting Circles, Chord, Secant, Midpoint, Congruence.

Proposed Problem 276.
Square, 90 degree Arcs, Circle, Radius.
Midpoints.

Proposed Problem 275.
Right Triangle, Circumcircle, Sagitta, Inradius.
Midpoints.

Sagitta, Arc, Chord.
Midpoints.

Proposed Problem 263.
Triangle, Median, Altitude, Orthogonal Projection, Sides.
Midpoints.

Centroid /Barycenter. Index.
Medians, Midpoints.

Proposed Problem 255.
Triangle, Centroid, Vertices, a Point, Distances, Squares.
Midpoints.

Proposed Problem 254.
Triangle, Centroid, Vertices, a Point, Distances, Squares.
Midpoints.

Proposed Problem 253.
Triangle, Centroid, Vertices, Distances, Squares.
Midpoints.

Proposed Problem 250.
Quadrilateral, sides, diagonals, midpoints, squares.

Proposed Problem 244. Square, Diagonals, Centers, Distance.
Midpoints.

Proposed Problem 239. Square, Midpoints, Lines, Congruence, Pythagoras.

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