Monday, August 27, 2012

Florence Cathedral, the Duomo or Dome Ceiling and Golden Rectangle

Click the figure below to see the interactive illustration.

 Florence Cathedral, The Duomo or Dome Ceiling and Golden Rectangle.

Sunday, August 26, 2012

Problem 800: Gua's Theorem, Pythagorean theorem in 3-D, Tetrahedron, Cubic Vertex, Triangular Pyramid, Apex, Height, Right Triangle Area, Base Area, Projected Area

Geometry Problem
Level: Mathematics Education, High School, Honors Geometry, College.

Click the figure below to see the complete problem 800.

Online Geometry Problem 800: de Gua's Theorem, Pythagorean theorem in 3-D, Tetrahedron, Cubic Vertex, Triangular Pyramid, Apex, Height, Right Triangle Area, Base Area, Projected Area.

Saturday, August 25, 2012

Problem 799: Parallelogram, Angle Bisector, Parallel, Triangle, Circumcircle, Circumcenter

Geometry Problem
Level: Mathematics Education, High School, Honors Geometry, College.

Click the figure below to see the complete problem 799.

Online Geometry Problem 799: Parallelogram, Angle Bisector, Parallel, Triangle, Circumcircle, Circumcenter.

Thursday, August 23, 2012

Problem 798: Parallelogram, Secant Line, Tangent Circles, Circumcircles, Triangle

Geometry Problem
Level: Mathematics Education, High School, Honors Geometry, College.

Click the figure below to see the complete problem 798.

Online Geometry Problem 798: Parallelogram, Secant Line, Tangent Circles, Circumcircles, Triangle.

Problem 797: Parallelogram, Angle Bisector, Isosceles and Similar Triangles

Geometry Problem
Level: Mathematics Education, High School, Honors Geometry, College.

Click the figure below to see the complete problem 797.

Online Geometry Problem 797: Parallelogram, Angle Bisector, Isosceles and Similar Triangles.

Wednesday, August 22, 2012

Nave, Monreale Cathedral, Sicily and Golden Rectangles

Click the figure below to see the interactive illustration.

 Nave, Monreale Cathedral, Sicily and Golden Rectangles.

York Minster Cathedral: Chapter House Ceiling and Golden Rectangles

Click the figure below to see the interactive illustration.

 York Minster Cathedral: Chapter House Ceiling and Golden Rectangles..

Sunday, August 19, 2012

Problem 796: Triangle, Altitude, Measurement of Angles

Geometry Problem
Level: Mathematics Education, High School, Honors Geometry, College.

Click the figure below to see the complete problem 796.

Online Geometry Problem 796: Triangle, Altitude, Measurement of Angles.

Sunday, August 5, 2012

Problem 795: Intersecting Circles, Common Chord, Midpoint, Tangent, Secant Line, Perpendicular, 90 Degrees

Geometry Problem
Level: Mathematics Education, High School, Honors Geometry, College.

Click the figure below to see the complete problem 795.

Online Geometry Problem 795: Intersecting Circles, Common Chord, Midpoint, Tangent, Secant Line, Perpendicular, 90 Degrees.

Friday, August 3, 2012

Problem 794: Right Triangle, Altitude, Three Incenters, Circumcircles, Incircle, Congruence

Geometry Problem
Level: Mathematics Education, High School, Honors Geometry, College.

Click the figure below to see the complete problem 794.

Online Geometry Problem 794: Right Triangle, Altitude, Three Incenters, Circumcircles, Incircle, Congruence.