Geometry Problems 171 - 180

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

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

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

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

Proposed Problem 175. Quadrilateral with Midpoints, Areas.  

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

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

Proposed Problem 178. Quadrilateral, Trisection of sides, Area.  

Proposed Problem 179. Rhombus, Square, Diagonal, Angle.

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

Typography of Geometry Problem 180.