## Tuesday, August 6, 2024

### Geometry Problem 1576: Congruency of Segments in Triangle ABC with Angles 30 and 20 Degrees and an Interior Cevian

Challenging Geometry Puzzle: Problem 1576. Share your solution by posting it in the comment box provided.
Audience: Mathematics Education - K-12 Schools, Honors Geometry, and College Level.

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## Sunday, August 4, 2024

### Geometry Problem 1575: Prove an Angle Bisector in a Triangle Involving an Altitude, Midpoint, and Excircle

Challenging Geometry Puzzle: Problem 1575. Share your solution by posting it in the comment box provided.
Audience: Mathematics Education - K-12 Schools, Honors Geometry, and College Level.

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## Friday, August 2, 2024

### Geometry Problem 1574: Triangle with Three Circles through a Point and the Concyclicity

Challenging Geometry Puzzle: Problem 1574. Share your solution by posting it in the comment box provided.
Audience: Mathematics Education - K-12 Schools, Honors Geometry, and College Level.

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## Wednesday, July 31, 2024

### Geometry Problem 1573: Find the Angle at K

Challenging Geometry Puzzle: Problem 1573. Share your solution by posting it in the comment box provided.
Audience: Mathematics Education - K-12 Schools, Honors Geometry, and College Level.

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## Friday, July 26, 2024

### Geometry Problem 1572: Calculate Angle C with Geometric Methods Using Sides AB=17, BC=25, and Angle A=45 Degrees

Challenging Geometry Puzzle: Problem 1572. Share your solution by posting it in the comment box provided.
Audience: Mathematics Education - K-12 Schools, Honors Geometry, and College Level.

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### Geometry Problem 1571: Intermediate angle in a Pythagorean Triple 7-24-25

Challenging Geometry Puzzle: Problem 1571. Share your solution by posting it in the comment box provided.
Audience: Mathematics Education - K-12 Schools, Honors Geometry, and College Level.

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### Geometry Problem 1570: Calculate BE in Overlapping Squares

Challenging Geometry Puzzle: Problem 1570. Share your solution by posting it in the comment box provided.
Audience: Mathematics Education - K-12 Schools, Honors Geometry, and College Level.

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### geometry Problem 1569: Prove the Length of EG Equals the Diameter of the Incircle of Triangle BDE in Isosceles Triangle ABC

Challenging Geometry Puzzle: Problem 1569. Share your solution by posting it in the comment box provided.
Audience: Mathematics Education - K-12 Schools, Honors Geometry, and College Level.

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### Geometry Problem 1568: Prove Concyclicity of Points B, D , H, J in a Triangle ABC

Challenging Geometry Puzzle: Problem 1568. Share your solution by posting it in the comment box provided.
Audience: Mathematics Education - K-12 Schools, Honors Geometry, and College Level.

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### Geometry Problem 1567: Finding Tangent Distances in a Circumscribed Isosceles Trapezoid

Challenging Geometry Puzzle: Problem 1567. Share your solution by posting it in the comment box provided.
Audience: Mathematics Education - K-12 Schools, Honors Geometry, and College Level.

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