Friday, May 30, 2008

Elearn Geometry Problem 112



See also:Complete Problem 112, Collection of Geometry Problems

Area of Square and Triangle. Level: High School, SAT Prep, College geometry

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Wednesday, May 28, 2008

Geometry Problem 111



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Orthogonal Circles. Level: High School, SAT Prep, College geometry

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Tuesday, May 27, 2008

Geometry Problem 110



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Contact Triangle, Area, Incircle. Level: High School, SAT Prep, College geometry

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Monday, May 26, 2008

Geometry Problem 109



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Triangle, Angles, Midpoint, Congruence. Level: High School, SAT Prep, College geometry

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Monday, May 19, 2008

Geometry Problem 108



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Triangle, Angles, Median, Congruence, Cyclic Quadrilateral. Level: High School, SAT Prep, College geometry

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Geometry Problem 107



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Triangle, Angles. Level: High School, SAT Prep, College geometry

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Geometry Problem 106



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Triangle, Angles, Midpoint, Congruence. Level: High School, SAT Prep, College geometry

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Geometry Problem 105



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Triangle, Angles, Midpoint, Congruence. Level: High School, SAT Prep, College geometry

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Geometry Problem 104



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Triangle, Angles, Midpoint, Congruence. Level: High School, SAT Prep, College geometry

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Geometry Problem 103



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Triangle, Angles, Midpoint, Congruence. Level: High School, SAT Prep, College geometry

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Geometry Problem 102

Try to use elementary geometry (Euclid's Elements).




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Triangle, Angles, Midpoint, Congruence. Level: High School, SAT Prep, College geometry

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Geometry Problem 101



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Triangle, Angles, Midpoint, Congruence. Level: High School, SAT Prep, College geometry

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Geometry Problem 100



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Triangle, Angles, Midpoint, Congruence. Level: High School, SAT Prep, College geometry, Tutoring

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Geometry Problem 99



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Circle Area, General Extension to Pythagoras' Theorem. Level: High School, SAT Prep, College geometry

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Geometry Problem 98



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Quadrilateral Areas, Centroids, Similarity. Level: High School, SAT Prep, College geometry

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Geometry Problem 97



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Similar Triangles, Areas. Level: High School, SAT Prep, College geometry

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Geometry Problem 96



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Similar Triangles, Incenters, Parallelogram. Level: High School, SAT Prep, College geometry

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Geometry Problem 95



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Similar Triangles, Inradii, Parallel. Level: High School, SAT Prep, College geometry

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Geometry Problem 94



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Similar Triangles, Circumradii, Parallel. Level: High School, SAT Prep, College geometry

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Geometry Problem 93



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Similar Triangles, Circumcircles, Parallelogram. Level: High School, SAT Prep, College geometry

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Geometry Problem 92



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Similar Triangles, Circumcircles, Circumradii, Parallel. Level: High School, SAT Prep, College geometry

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Geometry Problem 91



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Similar Triangles, Altitude, Parallel. Level: High School, SAT Prep, College geometry

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Geometry Problem 90



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Quadrilateral and Triangle areas, Midpoints. Level: High School, SAT Prep, College geometry

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Geometry Problem 89



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Triangle area, Midpoints. Level: High School, SAT Prep, College geometry

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Geometry Problem 88



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Triangle and Quadrilateral Areas, Midpoints. Level: High School, SAT Prep, College geometry

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Geometry Problem 87



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Area of Quadrilateral and Midpoints of Diagonals. Level: High School, SAT Prep, College geometry

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Geometry Problem 86



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Intouch and Extouch Triangles, Area. Level: High School, SAT Prep, College geometry

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Geometry Problem 85



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Contact Triangles Areas, Incircle, Excircle. Level: High School, SAT Prep, College geometry

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Elearn Geometry Problem 84



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Contact Triangles Areas, Incircle, Excircle. Level: High School, SAT Prep, College geometry

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Elearn Geometry Problem 83



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Area of a Excircle Contact Triangle, Exradius, Circumradius. Level: High School, SAT Prep, College geometry

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Elearn Geometry Problem 82



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Area of the Contact Triangle, Inradius, Circumradius. Level: High School, SAT Prep, College geometry

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Elearn Geometry Problem 81



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Triangle Area, Side, Inradius, Circumradius. Level: High School, SAT Prep, College geometry

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Elearn Geometry Problem 80

Try to use elementary geometry (Euclid's Elements).




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Triangle Area, Incircle, Inradius, Sides. Level: High School, SAT Prep, College geometry

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Elearn Geometry Problem 79



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Triangle Similarity, Altitudes, Orthocenter, Incircles, Inradii. Level: High School, SAT Prep, College geometry

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Elearn Geometry Problem 78

Click the figure below to see the problem statement.



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Angles in a circle, Perpendicular lines, Congruence, Midpoint, Perpendicular bisector. Level: High School, SAT Prep, College geometry

Elearn Geometry Problem 77



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Angles in a circle, Cyclic Quadrilateral, Parallel lines. Level: High School, SAT Prep, College geometry

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Elearn Geometry Problem 76



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Area of a Circle, Square, Circular Sector, Lune. Level: High School, SAT Prep, College geometry

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Elearn Geometry Problem 75



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Three Intersecting Circles, Cyclic Quadrilateral, Angles. Level: High School, SAT Prep, College geometry

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Elearn Geometry Problem 74



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Three Intersecting Circles, Cyclic Quadrilateral, Angles. Level: High School, SAT Prep, College geometry

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Elearn Geometry Problem 73



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Three Intersecting Circles, Cyclic Quadrilateral, Angles. Level: High School, SAT Prep, College geometry

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Elearn Geometry Problem 72



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Intersecting Circles, Cyclic Quadrilateral, Angles, Parallel. Level: High School, SAT Prep, College geometry

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Elearn Geometry Problem 71



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Cyclic Quadrilateral, Angles. Level: High School, SAT Prep, College geometry

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Elearn Geometry Problem 70



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Squares Inscribed in a Triangle. Level: High School, SAT Prep, College geometry

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Elearn Geometry Problem 69



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Square Inscribed in a Triangle. Level: High School, SAT Prep, College geometry

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Elearn Geometry Problem 68



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Triangle, Incircle, Inradius, Tangent. Level: High School, SAT Prep, College geometry

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Elearn Geometry Problem 67



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Triangle, Circumcircle, Angles, Concyclic. Level: High School, SAT Prep, College geometry

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Elearn Geometry Problem 66



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Triangle, Excircle, Tangents, Geometric Mean. Level: High School, SAT Prep, College geometry

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Elearn Geometry Problem 65



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Right Triangle, Midpoints. Level: High School, SAT Prep, College geometry

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Elearn Geometry Problem 64



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Triangle, Incircle, Transversal. Level: High School, SAT Prep, College geometry

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Elearn Geometry Problem 63



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Regular Heptagon, side and diagonals. Level: High School, SAT Prep, College geometry

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