# Online Geometry: Area of a Square, Theorems and Problems - Table of Content

## Area of a Square - Index

Geometry Problem 1467.
Square, Rectangle, Triangle, Area.

Geometry Problem 1428.
Intersecting Circles, Tangent Line, Triangle, Square, Area.

Problem 1338.
Four Squares, Diagonals, Angle, 45 Degrees, Areas.

Geometry Problem 1182
Two Squares, Four Quadrilaterals, Sum of the Areas, Metric Relations.

Geometry Problem 1111.
Right Triangle, External Squares, Cathetus, Angle Bisector, Area, Geometric Mean.

Geometry Problem 1091.
Square, Perpendicular, Distance, Area, Center.

Geometry Problem 1089.
Square, Semicircle, Tangent, Triangle, Area.

Geometry Problem 1082.
Square, Circle, Center, Radius, Side, Isosceles Triangle, 90 Degrees, Area.

Geometry Problem 881
Triangle, three Squares, Centers, Areas.

Geometry Problem 697.
Square, Circle, Sector, Segment, Tangent, Inscribed, Congruence, Mind Map, Polya.

Geometry Problem 615
Right Triangle with a Square, Diagonals, Center, Area of Quadrilateral.

Problem 545.
Acute Triangle, Squares, Altitudes, Area, Measure.

Problem 540.
Right Triangle, Square, Parallel, Perpendicular, Dissection, Area, Pythagoras.

Problem 539.
Right Triangle, Square, Parallel, Perpendicular, Dissection, Area, Pythagoras.

Problem 534.
Right Triangle, Squares, Perpendicular, Dissection, Areas.

Problem 521.
Triangle with three Squares, Altitude, Rectangle, Area.

Problem 520.
Triangle with six Squares, Ratio, Area.

Problem 519.
Triangle, Squares, Altitude, Perpendicular, Rectangle, Area.

Problem 517.
Right Triangle, Six Squares, Areas.

Problem 514.
Triangle, Five Squares, Line, Area.

Problem 508.
Triangle with three Squares, Four triangle of equal Area.

Proposed Problem 396.
Square, Angle Trisectors, Congruence, Area.

Proposed Problem 371.
Square, Inscribed circle, Triangle, Area.

Proposed Problem 357.
Square, Exterior point, Triangles, Area.

Proposed Problem 356.
Square, Point inside, Triangles, Area.

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

Albert Einstein and the Pythagorean theorem.
A preteen Albert Einstein devised a new proof of the Pythagorean theorem.

The Pythagorean Curiosity Triangles and squares, fifteen conclusions.

Hippocrates and Squaring the Circle
Area.

Euclid's Elements, Book X, Lemma for Proposition 33
One page visual illustration. Area of squares.

Archimedes' Book of Lemmas: Proposition 7
Square and inscribed and circumscribed Circles. Area.

Proposed Problem 280.

Proposed Problem 273.
Triangle, Perpendiculars, Area of Squares.

Proposed Problem 265.
Right Triangle, Pythagorean Theorem.

Proposed Problem 252.
Rectangle, isosceles right triangle, square, area.

Proposed Problem 251.
Parallelogram, sides, diagonals, squares, areas.

Proposed Problem 191. Triangle, Altitudes, Orthocenter, Squares, Areas.

Proposed Problem 112. Area of square and triangle.

Triangle and Squares Area 18  Sangaku Problem.