


Plane Geometry: Area of a triangle, Theorems
and Problems  Table of Content  Page 4




Proposed Problem 180. Circles
Tangent Externally, Common External Tangents, Triangle Areas.


Proposed Problem 177.
Parallelogram with Midpoints, Triangles, Areas. 

Proposed Problem 176.
Quadrilateral with Midpoints, Triangles, Areas.


Proposed Problem 174.
Quadrilateral with Midpoints, Triangles, Areas.


Proposed Problem 173.
Quadrilateral with Midpoints, Triangles, Areas.


Proposed Problem 172. Trapezoid,
Midpoints, Quadrilaterals, Areas.


Proposed Problem 171. Trapezoid,
Midpoints, Triangles, Areas.


Proposed Problem 170. Trapezoid,
Midpoint, Triangle, Area.


Proposed Problem 169.
Parallelogram, Interior and Exterior Points, Diagonals, Pentagon,
Triangles, Areas


Proposed Problem 168.
Parallelogram, Diagonal, Triangles, Pentagon, Areas.


Proposed Problem 167.
Parallelogram, Diagonal, Triangles, Areas.


Proposed Problem 166.
Parallelogram, Diagonal, Triangles, Areas.


Proposed Problem 165.
Parallelogram, Diagonal, Triangles, Areas.


Proposed Problem 164.
Parallelogram, Trapezoid, Diagonal, Triangles, Areas.


Proposed Problem 163. Trapezoid,
Diagonals, Triangles, Areas.
Trapezoid Index 

Proposed Problem 162.
Parallelogram, Triangles, Areas.

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