


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




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


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


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

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

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

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


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


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


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

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