# Geometry from the Land of the Incas 32/80

 Previous - Next Recent Additions (Page 32 of 80) Proposed Problem 450. Triangle, Median, Cevian, Congruence, Proportional Segments. Proposed Problem 449. Congruent Tangent Circles, Diameter, Sagitta, Arc, Perpendicular, Chord. Proposed Problem 448. Tangent Circles, Diameter, Perpendicular, Chord. Proposed Problem 447. Complete Quadrilateral, Inradii, Exradii, Sides. Proposed Problem 446. Quadrilateral Area, Dividing the sides into 5 equal parts. Proposed Problem 441. Quadrilateral, Triangle, Area, Proportion, Measurement, Similarity. Proposed Problem 440. Triangle, Incircle, Incenter, Angle Bisector, Tangency Points, Circle, Angles. Proposed Problem 439. Isosceles triangle, Cevian, Incenter, Angles, Circle. Van Hiele Model Index In mathematics education, the Van Hiele model is a theory that describes how students learn geometry. Proposed Problem 438. Tangent Circles, Diameter, Chord, Perpendicular, Congruence, Measurement, Parallel lines. Proposed Problem 437. Tangent Circles, Diameter, Chord, Perpendicular, Congruence, Measurement. Proposed Problem 436. Tangent Circles, Diameter, Chord, Perpendicular, Congruence, Measurement. Distances between Triangle Centers Index. Distance between the Incenter and the Centroid of a Triangle. Formula in terms of the sides a,b,c. Proposed Problem 435. Triangle, Incircle, Inradius, Congruent circles, tangent, Measurement. Proposed Problem 434. Quadrilateral, Transversal, Ratio, Measurement, Similarity. Proposed Problem 433. Quadrilateral, Triangle, Area, Proportion, Measurement, Similarity. Go to Page: Previous | 1 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | Next
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