Online Geometry: Trapezoid, Theorems and Problems

Trapezoid, Theorems and Problems- Table of Content

Median of a Trapezoid, Theorems and Problems. Index.

Problem 529.
Right Trapezoid, Circle, Diameter.

Proposed Problem 432.
Trapezoid, Parallel, Measurement, Similarity, Transversal.

Proposed Problem 397.
Triangle, Altitude, Midpoints, Trapezoid, Congruence.

Proposed Problem 337.
Isosceles Trapezoid, Angle bisector, Parallel, Concyclic points.

Proposed Problem 313.
Circle, Chord, Tangent, Perpendicular, Geometric Mean.

Proposed Problem 230. Triangle, Midpoints, Transversal, Perpendicular lines.  

Proposed Problem 229. Triangle, Centroid, Transversal, Perpendicular lines.  

Proposed Problem 228. Triangle, Midpoints, Exterior line, Perpendiculars lines.  

Proposed Problem 227. Triangle, Centroid, Exterior line, Perpendicular lines.  

Proposed Problem 226. Triangle, Centroid, Perpendiculars.  

Proposed Problem 185. Trapezoid, Triangles and Angles.  

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

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

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

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

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

Trapezoid

TRAPEZOID: A trapezoid is a quadrilateral having two parallel sides called bases.

SCALENE, ISOSCELES, AND RIGHT TRAPEZOID:  

MEDIAN OF A TRAPEZOID:  Segment joining the midpoints of the two legs. The median is parallel to the bases and equal to one half of the sum of the bases.

MIDPOINTS OF THE DIAGONALS:  The segment joining the midpoints of the two diagonals is parallel to the bases and equal to one half of the difference of the bases.

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