Machu Picchu, Geometry Theorems and Problems, Online Education

Perpendicular Lines, Theorems and Problems - Table of Content  (17)

Perpendicular Lines Index

Elearn 230: Triangle, Midpoint, Transversal

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

Elearn 229: Triangle, Centroid, Transversal

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

Elearn 228: Triangle, Midpoint

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

Elearn 227: Triangle, Centroid

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

Problem 226: Triangle, Centroid

Proposed Problem 226. Triangle, Centroid, Perpendicular lines, Parallel lines.  

Viviani theorem, isosceles triangle, extension on the base

Proposed Problem 224. Viviani's theorem, Isosceles triangle, Altitude, Distances, Point on the extension of the base, Perpendicular lines, Parallel lines.  

Viviani theorem, Isosceles triangle

Proposed Problem 223. Viviani's theorem, Isosceles triangle, Altitude, Distances, Perpendicular lines, Parallel lines.  

Viviani theorem, Equilateral triangle, exterior point

Proposed Problem 222. Viviani's theorem, Equilateral triangle, Exterior point, Perpendicular lines, Distances.  

Viviani's theorem I

Proposed Problem 221. Viviani's theorem, Equilateral triangle, Interior point, Distances, Parallel lines.  

Rhombus problem

Proposed Problem 219. Rhombus, Perpendicular lines, arithmetic mean, Parallel lines.

Elearn 218: Right triangle

Proposed Problem 218. Right triangle, Altitude and Projections, Perpendicular lines, Parallel lines.

Elearn 217: Right triangle, Altitude, Projections

Proposed Problem 217. Right triangle, Altitude and Projections, Perpendicular lines, Parallel lines.

Problem 207: Hypotenuse

Proposed Problem 207. Right Triangle, Hypotenuse, Inradius, Exradius relative to the hypotenuse, Perpendicular lines.  

Elearn 206

Problem 206. Area of a Right Triangle, Inradius, and Exradius relative to the hypotenuse, Perpendicular lines.  

Right triangle area

Proposed Problem 205. Right Triangle Area, Exradii relatives to legs or catheti, Perpendicular lines.  

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Last updated: Feb 15, 2015