College Geometry Online, eLearning

Plane Geometry: Area of a triangle, Theorems and Problems - Table of Content - Page 5

Area of a Triangle, Theorems and Problems

Elearning 161 Parallelogram and Octagon Areas

Proposed Problem 161. Parallelogram, Midpoints, Area of an Octagon, Area of triangles.  

Quadrilateral Area, Elearning

Proposed Problem 147. Quadrilateral, Area, Midpoints, Triangle.

Quadrilateral Area, Midpoint

Proposed Problem 146. Varignon's Theorem: Quadrilateral, Midpoints, Parallelogram, Area, Perimeter. Triangles.

Elearning 142: Triangle area

Proposed Problem 142. Four Triangles, Incircle, Tangent and Parallel to Side, Areas.

Elearning 139: Triangle Area

Proposed Problem 139. Triangle Area, Orthic Triangle, Semiperimeter, Circumradius.  

Elearning 125: Area

Proposed Problem 125. Area of Triangle, Star, Trisection of Sides.

Elearning 124: Triangle Area, Similarity

Proposed Problem 124. Area of triangle, Similarity, Trisection of Sides.

Elearning 123: Triangle Similarity, Area

Proposed Problem 123. Area of triangle, Similarity, Trisection of Sides.

Marion Walter's Theorem

Proposed Problem 122. Marion Walter's Theorem. Area of triangle and Hexagon, Trisection of Sides.

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