# Midpoint, Theorems and Problems - Table of Content (Page 8)

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 161. Parallelogram, Midpoints, Octagon, Areas.

Proposed Problem 151. Quadrilateral, Area, Trisection of Sides.
Midpoints.

Proposed Problem 150. Quadrilateral, Area, Trisection of Sides.
Midpoints.

Proposed Problem 149. Quadrilateral, Area, Midpoints.

Proposed Problem 148. Quadrilateral, Area, Midpoints.

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

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

Trapezoid, Triangle, Diagonals, Midpoints. Dynamic Geometry.
Step-by-Step construction, Manipulation, and animation.
Prove proposition.

Proposed Problem 132.
Triangle, 60 degree, Orthocenter, Congruence, Midpoint.

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

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

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