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 1418: Triangle, Circumcircle, Incenter, Side, Sum of Segments, Tangent, Parallel, Angle

Geometry Problem. Post your solution in the comments box below.
Level: Mathematics Education, High School, Honors Geometry, College.
This entry contributed by Ajit Athle.
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Geometry: Ptolemy's Theorem: Cyclic Quadrilateral

Geometric Art: Typography, iPad

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Geometry Problem 1395: Triangle with three rectangles on the sides, Midpoints, Perpendicular lines, Concurrency

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

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Poster of Geometry Problem 80: Triangle Area, Sides, Inradius, Nazca Lines in the background, iPad Apps

Geometric Art: Poster, Typography, iPad

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Geometric Art of Problem 63: Regular Heptagon, sides and diagonals. iPad Pro Apps

Computer, Tablet, iPad Apps, Software.

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Typography of Geometry Problem 287: Regular Octagon, side and diagonal, iPad Apps

Geometric Art: Typography, iPad

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Typography of Geometry Problem 63: Parallelogram, Diagonal, Midpoint, Side, Triangle, Parallel, Similarity, iPad Apps

Geometric Art: Typography, iPad

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Geometry Problem 1307 Triangle, Incenter, Parallel line, Sides, Measurement

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

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Geometry Problem 1224: Triangle, Parallel to the Sides

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

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Geometry Problem 1179: Triangle, Centroid, Transversal, Sum of Ratios, Sides

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

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Geometry Problem 1170: Area of a Triangle in terms of the three sides, a-b-c

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

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Geometry Problem 1093. Square, Circle, Tangent, Radius, Side, Sangaku, Japanese

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

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Geometry Problem 1082: Square, Circle, Center, Radius, Side, Isosceles Triangle, 90 Degrees, Area

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

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Geometry Problem 1080: Square, Circle, Tangent, Side, Radius, Metric Relations

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

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Geometry Problem 973: Three Parallel, Square, Vertices, Distance Between Two Parallel Lines, Side, Metric Relations

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

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Geometry Problem 961. Quadrilateral, Trisection, Sides, Sum of Areas

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

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Geometry Problem 960. Quadrilateral, Trisection, Sides, Congruence, Similarity, Triangle

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

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Geometry Problem 959. Triangle, Sides Ratio 4:1, Inradius, Exradius, Cevian, Mean Proportional, Geometric Mean

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

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Geometry Problem 937: Triangle, Circumcircle, Circles, Tangent, Sides, Midpoint

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

This entry contributed by Ajit Athle.
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