# Plane Geometry: Parallelogram Theorems and Problems. Page 1

 Parallelogram, Theorems and Problems - 1 Square. Theorems and Problems Index. Rectangle. Theorems and Problems Index. Area of a Parallelogram. Theorems and Problems Index. Geometry Problem 1493. Four Squares, Parallelogram, Auxiliary Lines. Dynamic Geometry 1470. Tangential Quadrilateral, Incircles, Tangent, Parallel, Rhombus, Step-by-step Illustration. Geometry Problem 1463. Parallelogram, Interior Point, Opposite Triangles with Equal Sum of Areas. Step-by-step Illustration using GeoGebra. Geometry Problem 1435. Circle, Diameter, Inscribed Circles, Circular Sector, Parallelogram, Parallel Lines, Tangency Points, Poster, Typography, iPad Apps. Geometry Problem 1424.Triangle, Parallelogram, Trapezoid, Area, Diagonal, Measurement. Geometry Problem 1381.Parallelogram, Exterior Point, Triangle, Area. Geometry Problem 1378.Parallelogram, Diagonal perpendicular to a side, Distances from a Point to Vertices, Measurement. Problem 1339. Circle, Diameter, Tangent, Secant, Parallelogram. Problem 1337. Parallelogram, Diagonals, Circle, Circumcircle, Tangent Line, Triangle, Congruence. Geometry Problem 1279. Parallelogram, Midpoint, Triangle, Area, 3/10. Geometry Problem 1267. Triangle, Incircle, Excircle, Circle, Tangency Points, Perpendicular, 90 Degrees, Parallelogram. Geometry Problem 1256. Parallelogram, Angle Bisector, Measurement. Geometry Problem 1202 Four Squares, Two Equal Parallelograms, Congruence. Geometry Problem 1196 Parallelogram, Midpoint, Metric Relations. Geometry Problem 1188 Triangle, Parallelogram, Parallel Lines, Trapezoid, Area. Geometry Problem 1183 Parallelogram, Diagonals, Circle, Tangent Line. Geometry Problem 1047. Parallelogram, Parallel Lines, Concurrent Lines, Diagonals. Geometry Problem 1044. Triangle, Parallelogram, Midpoint, Area. Geometry Problem 1042. Scalene Triangle, Isosceles, Equal Angles, Parallelogram, Congruence. Geometry Problem 978. Parallelogram, Diagonal, Transversal, Similarity, Metric Relations. Geometry Problem 880 Triangle, Midpoints, Sides, Perpendiculars, Hexagon, Area. Geometry Problem 865 Parallelogram, Diagonal, Midpoint, Side, Triangle, Parallel, Similarity. Geometry Problem 864 Parallelogram, Diagonal, Congruence, Similarity, Metric Relations. Geometry Problem 860 Triangle, Three Medians, Parallel, Parallelogram, Area, Congruence. Geometry Problem 854 Triangle, Parallel lines, Parallelogram, Areas, Similarity, Concurrent lines. Geometry Problem 840 Parallelogram, Perpendicular, Diagonal, Metric Relations, Similarity. Geometry Problem 839 Problem 839: Parallelogram, Perpendicular, Diagonal, Metric Relations. Geometry Problem 838 Parallelogram, Perpendicular, Diagonal, Metric Relations. Geometry Problem 836 Parallelogram, Perpendicular, Diagonal, Similarity, Metric Relations. Geometry Problem 834 Parallelogram, Diagonal, Similarity, Geometric Mean, Mean Proportional. Geometry Problem 833 Parallelogram, Diagonal, Similarity, Proportion. Geometry Problem 831 Quadrilateral, Diagonal, Midpoint, Opposite Angles, Congruence, Parallelogram. Geometry Problem 808 Parallelogram, Perpendicular, Right Triangle, Semicircle Area, Diameter. Geometry Problem 799 Parallelogram, Angle Bisector, Parallel, Triangle, Circumcircle, Circumcenter. Geometry Problem 798 Parallelogram, Secant Line, Tangent Circles, Circumcircles, Triangle. Geometry Problem 797 Parallelogram, Angle Bisector, Isosceles and Similar Triangles. Geometry Problem 782 Triangle, Orthocenter, Circumcenter, Circumcircle, Diameter, Altitude, Parallelogram. Geometry Problem 771 Area of a Parallelogram, Star, Pentagon, Triangles. Geometry Problem 770 Parallelogram, Angle Bisector, Triangle, Circumcenter, Circumcircle, Angle Measurement. Geometry Problem 768 Parallelogram with Equilateral Triangles on Sides. Go to page: Previous | 1 | 2 | 3 | 4 | 5 | Next
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