Interactive step-by-step animation using GeoGebra. Post your solution in the comment box below.

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

Details: Click on the figure below.

## Thursday, March 26, 2020

### Geometry Problem 1466: Tangential Quadrilateral, Newton Line, Incenter, Midpoint, Diagonal, Collinear Points

## Monday, March 23, 2020

### Geometry Problem 1465: Tangential Quadrilateral, Incenter, Inscribed Circle, Equal Sum of Areas

## Saturday, March 21, 2020

### Dynamic Geometry Problem 1464: Quadrilateral, Interior Point, Midpoint of Sides, Equal Sum of Areas

Interactive step-by-step animation using GeoGebra. Post your solution in the comment box below.

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

Details: Click on the figure below.

## Wednesday, March 18, 2020

### Dynamic Geometry Problem1463: Parallelogram, Interior Point, Opposite Triangles with Equal Sum of Areas

Interactive step-by-step animation using GeoGebra. Post your solution in the comment box below.

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

Details: Click on the figure below.

## Sunday, March 15, 2020

### Dynamic Geometry 1462: Newton-Line, Newton-Gauss Line, Complete Quadrilateral, Midpoints of Sides and Diagonals

## Thursday, March 12, 2020

### Geometry Problem 1461: Quadrilateral, Triangle, Angles, 30-60 Degree, Congruence, Auxiliary Lines

Geometry Problem. Post your solution in the comment box below.

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

Details: Click on the figure below.

## Monday, March 9, 2020

### Dynamic Geometry 1460: Newton-Gauss Line, Complete Quadrilateral, Midpoints of Diagonals

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

Details: Click on the figure below.

## Sunday, March 8, 2020

### Geometry Problem 1459: Two Triangles, Orthocenter, Midpoint, Perpendicular

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

Details: Click on the figure below.

## Saturday, March 7, 2020

### Geometry Problem 1458: Triangle, Incircles, Excircle, Area, Step-by-step Illustration

## Friday, March 6, 2020

### Geometry Problem 1457: Altitudes, Circles, Similarity, Product of the Inradii Lengths

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

Details: Click on the figure below.