## Sunday, July 22, 2018

### Geometric Art: Antamina Copper Mine, Huari, Ancash, Peru, Open Pit Mining Art

Details: Click on the figure below.

### Geometric Art: Yanacocha Gold Mine, Cajamarca, Peru, Open Pit Mining Art

Details: Click on the figure below.

## Tuesday, July 17, 2018

### Geometry Problem 1366: Square, Angle Bisector, Perpendicular, Concyclic Points, Circle, Sketch, iPad Apps.

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, July 16, 2018

### Geometry Problem 1365: Circle, Tangent, Secant, Chord, Parallel, Midpoint, Sketch, iPad Apps

Geometry Problem. Post your solution in the comment box below.
Level: Mathematics Education, High School, Honors Geometry, College.

Details: Click on the figure below.

## Saturday, July 14, 2018

### Geometry Problem 1364: Square, Inscribed Circle, Area, Angle Bisector, Perpendicular, 45 Degrees, Sketch, iPad Apps

Geometry Problem. Post your solution in the comment box below.
Level: Mathematics Education, High School, Honors Geometry, College.

This entry contributed by Peter Tran, California, U.S.A..

Details: Click on the figure below.

## Friday, July 13, 2018

### Geometry Problem 1363: Square, Angle Bisector, Perpendicular, 45 Degrees, Angle, Sketch, iPad Apps

Geometry Problem. Post your solution in the comment box below.
Level: Mathematics Education, High School, Honors Geometry, College.

This entry contributed by Sumith Peiris, Moratuwa, Sri Lanka.

Details: Click on the figure below..

### Geometry Problem 1362: Equilateral Triangle Inscribed in a Circle, Lunula, Ratio of Areas, Tangent, Sketch, iPad Apps

Geometry Problem. Post your solution in the comment box below.
Level: Mathematics Education, High School, Honors Geometry, College.

Details: Click on the figure below.

## Thursday, July 12, 2018

### Geometry Problem 1361: Triangle, Two Nine-Point Circles, Feuerbach's Circle, Euler's Circle, Congruent Angles, Sketch, iPad Apps

Geometry Problem. Post your solution in the comment box below.
Level: Mathematics Education, High School, Honors Geometry, College.

Details: Click on the figure below.

## Wednesday, July 11, 2018

### Basic English ESL: Conversation Questions and Answers by 75 Topics, Mind Map

Interactive Mind Map

Graphic organizers are visual representations of knowledge, concepts or ideas.
Click the figure below to open the mind map.

### Geometry Problem 1360: Triangle, Nine-Point Circle, Feuerbach's Circle, Euler's Circle, Cyclic Quadrilateral, Concyclic Points, Sketch, iPad Apps

Geometry Problem. Post your solution in the comment box below.
Level: Mathematics Education, High School, Honors Geometry, College.

Details: Click on the figure below.