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Online Geometry: Areas, Theorems and Problems - Page 2
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![Areas](areas_measurement_17.jpg) |
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![Geometry Problem 946](../school-college/p946-quadrilateral-diagonal-midpoint-parallel-area-1.jpg) |
Geometry Problem 946.
Triangle, Quadrilateral, Area, Diagonal, Midpoint, Parallel. |
![Geometry Problem 881](../school-college/p881-triangle-three-squares-area-center-1.jpg) |
Geometry Problem 881
Triangle, three Squares, Centers, Areas. |
![Geometry Problem 880](../school-college/p880-triangle-midpoint-perpendicular-hexagon-area-parallelogram-1.jpg) |
Geometry Problem 880
Triangle, Midpoints, Sides, Perpendiculars, Hexagon, Area. |
![Geometry Problem 876](../school-college/p876-equilateral-triangle-perpendicular-equal-area-1.jpg) |
Geometry Problem 876
Equilateral Triangle, any Point, Perpendicular, Right Triangle Area, Sum of Areas. |
![Trapezoid, Parallel, Equal Areas, RMS, Root Mean Square](../school-college/p862-trapezoid-parallel-equal-areas-rms-1.jpg) |
Geometry Problem 862:
Trapezoid, Parallel, Equal Areas, RMS, Root Mean Square
. |
![Semicircle, Chord, Arc, Area](../school-college/p825-semicircle-triangle-area-diameter-chord-arc-midpoint-sector-1.jpg) |
Geometry Problem 825.
Circle, Semicircle, Arc, Chord, Midpoint, Sector, Triangle, Area. |
![Tangent Circles, Diameter, Perpendicular, Triangle, Area, Tangency Point](../school-college/p823-circle-triangle-area-perpendicular-tangent-diameter-1.jpg) |
Geometry Problem 823.
Tangent Circles, Diameter, Perpendicular, Chord, Secant, Triangle, Area, Tangency Point. |
![Semicircle, Chord, Arc, Area](../school-college/p822-circle-triangle-area-diameter-chord-midpoint-sector-1.jpg) |
Geometry Problem 822.
Circle, Semicircle, Arc, Chord, Midpoint, Sector, Triangle, Area. |
![Triangle, Incircle, Arbelos, Area](../school-college/p815-triangle-incircle-semicircle-tangent-arbelos-area-1.jpg) |
Geometry Problem
815.
Triangle, Incircle, Semicircles, Arbelos, Area. |
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Geometry Problem
812.
Four Tangent Circles, Common Tangent Line, Diameter, Area, Collinear Centers. |
![Parallelogram, Perpendicular, Semicircle, Area](../school-college/p808-parallelogram-perpendicular-right-triangle-semicircle-area-1.jpg) |
Geometry Problem 808
Parallelogram, Perpendicular, Right Triangle, Semicircle Area, Diameter. |
![Right Triangle Area, Incircle, Semicircle](../school-college/p807-right-triangle-area-semicircle-incircle-1.jpg) |
Geometry Problem 807
Right Triangle Area, Incircle, Tangency Points, Semicircle Area. |
![Regular Hexagon, Midpoints, Equilateral Triangle](../school-college/p791-regular-hexagon-midpoint-equilateral-triangle-area-1.jpg) |
Geometry Problem 791
Regular Hexagon, Midpoints of Side and Diagonal, Equilateral Triangle, Area. |
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Geoboard
for iPad Pythagorean Theorem Proof, Squares (Problem 540). |
![Parallelogram, Star, Pentagon, Area](../problem/p771-parallelogram-star-pentagon-triangle-area-1.jpg) |
Geometry Problem 771
Area of a Parallelogram, Star, Pentagon, Triangles. |
![Circle, Area, Tangent, Intersecting, Lune](../problem/p708_circle_area_lune_1.jpg) |
Geometry Problem
708.
Circle, Tangent, Intersecting, Lune, Area, Diameter. |
![Square, Circle, Area](../geometry/p697_square_circle_area_1.jpg) |
Geometry Problem 697.
Square, Circle, Sector, Segment, Tangent, Inscribed, Congruence, Mind Map, Polya. |
![Circle, Square, Area](../geometry/p693_circle_square_area_1.jpg) |
Geometry Problem 693.
Square, Inscribed and Circumscribed Circle, Areas, Mind Map, Polya. |
![Quatrefoil, Circle, Square, Area](../geometry/p692_quatrefoil_area_circl1.jpg) |
Geometry Problem 692.
Quatrefoil, Four Equal Circles and a Circle Inscribed in a Square, Areas, Mind Map, Polya. |
![Archimedes Book of Lemmas Proposition 14](../problem/p654_archimedes_lemma_14_1.jpg) |
Geometry Problem 654.
Archimedes Book of Lemmas: Proposition 14
Salinon, Semicircles, Diameter, Circle, Area. |
![Archimedes Book of Lemmas Proposition 7](../problem/p646_archimedes_lemma_07_1.jpg) |
Geometry Problem 646.
Archimedes Book of Lemmas: Proposition 7
Square,Inscribed and Circumscribed Circles, Area. |
![Archimedes Book of Lemmas Proposition 4](../problem/p643_archimedes_lemma_04_1.jpg) |
Geometry Problem 643.
Archimedes Book of Lemmas: Proposition 4
Semicircle, Circle, Perpendicular, Arbelos, Area. |
![Right triangle, Altitude, Incenter, Area](../problem/p634_right_triangle_area_1.jpg) |
Geometry Problem 634
Right Triangle, Altitude, Incenters, Areas. |
![Triangle Area, 30 Degrees, Incircle](../problem/p619_triangle_30_area_1.jpg) |
Geometry Problem
619
Triangle Area, 30 Degrees, Incircle, Incenter, Tangent. |
![Triangle area, 60 degrees](../problem/p618_triangle_60_area_1.jpg) |
Geometry Problem
618
Triangle Area, 60 Degrees, Incircle, Incenter, Tangent. |
![Right triangle area](../problem/p617_triangle_90_area_1.jpg) |
Geometry Problem
617
Right Triangle Area, Incircle, Incenter, Tangent, 90 Degrees. |
![Triangle, Square, Area](../problem/p615_triangle_square_1.jpg) |
Geometry Problem
615
Right Triangle with a Square, Diagonals, Center, Area of Quadrilateral. |
![Circle Area, Tangent](../problem/p600_circle_area_1.jpg) |
Geometry Problem
600
Circle, Area, Tangent, Semicircle, Tangency Point. |
![Triangle, Incenter, Midpoint, Area](../problem/p590_triangle_incenter_1.jpg) |
Geometry Problem
590.
Triangle, Incenter, Incircle, Tangency Point, Midpoint, Areas. |
![Quadrilateral, Circumcenters](../problem/p583_quadrilateral_circle_1.jpg) |
Problem
583.
Quadrilateral, Diagonals, Circumcenters, Parallelogram, Octagon, Areas. |
![Quadrilateral, Diagonal, Area](../problem/p579_quadrilateral_area_1.jpg) |
Problem
579.
Quadrilateral, Diagonals, Triangles, Areas. |
![Wittenbauer Parallelogram](../problem/p558_wittenbauer_area_1.jpg) |
Problem
558.
Quadrilateral, Trisection, Sides, Wittenbauer Parallelogram, Area, Auxiliary Lines. |
![Varignon Parallelogram](../problem/p557_varignon_1.jpg) |
Problem
557.
Quadrilateral, Midpoints, Sides, Varignon Parallelogram, Area, Auxiliary Lines. |
![Acute Triangle with altitudes and squares](../problem/p545_acute_triangle_1.jpg) |
Problem
545.
Acute Triangle, Squares, Altitudes, Area, Measure. |
![Right triangle, Square, Area](../pythagoras/p540_right_triangle_area_1.jpg) |
Problem
540.
Right Triangle, Square, Parallel, Perpendicular, Dissection, Area, Pythagoras. |
![Right triangle, Square, Area](../pythagoras/p539_right_triangle_area_1.jpg) |
Problem
539.
Right Triangle, Square, Parallel, Perpendicular, Dissection, Area, Pythagoras. |
![Right triangle, square, area](../problem/p534_right_triangle_area_1.jpg) |
Problem
534.
Right Triangle, Squares, Perpendicular, Dissection, Areas. |
![Problem 433: Quadrilateral, Area](../problem/p433_quadrilateral_area_1.jpg) |
Proposed Problem 433.
Quadrilateral, Triangle, Area, Proportion, Measurement, Similarity. |
![Inscribed and Circumscribed regular Pentagon, Areas](../problem/p430_regular_pentagon_17.jpg) |
Proposed Problem 430.
Circumscribed and Inscribed Regular Pentagon, Perpendicular, Areas. |
![Area of a triangle, Circumcircle, Angle Bisector](../problem/p401_area_triangle_17.jpg) |
Proposed Problem 401.
Area, Triangle, Angle bisector, Circumcircle, Perpendicular bisector,
Congruence. |
![Square, Triangle, Area, Circle](../problem/p371_square_circle_17.jpg) |
Proposed Problem 371.
Square, Inscribed circle, Triangle, Area. |
![Triangle area, Circle, Curvilinear triangle](../problem/p364_triangle_area_17.jpg) |
Proposed Problem 364.
Obtuse triangle, Congruence, Circles, Diameter, Curvilinear triangle,
Area. |
![Area of Triangle, Circles, Diameters](../problem/p360_area_triangle_17.jpg) |
Proposed Problem 360.
Area of a triangle, Curvilinear triangles, Circles, Diameters. |
![Square, Exterior point, Triangle, Area](../problem/p357_square_area_17.jpg) |
Proposed Problem 357.
Square, Exterior point, Triangles, Area. |
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