Thursday, April 2, 2026

Geometric Challenge

Problem 1615 -Quadrilateral, Midpoints, and Area Invariance, Synthetic Geometry.

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Geometry Challenge 1615: Share your proof or solution in the comments below. Target Audience: K-12, Honors Geometry, and College Mathemati...
1 comment:
Saturday, March 14, 2026

Geometric Challenge

Problem 1614 - Area Equivalence in a Semicircle with Inscribed Rectangles, Synthetic Geometry.

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Geometry Challenge 1614: Share your proof or solution in the comments below. Target Audience: K-12, Honors Geometry, and College Mathemati...
4 comments:
Wednesday, March 11, 2026

Geometric Challenge

Problem 1613: Square, Ratio 2:1, Perpendicularity, 53/2 Degrees, Prove Angle 45 Degrees, Synthetic Geometry.

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Geometry Challenge 1613: Share your proof or solution in the comments below. Target Audience: K-12, Honors Geometry, and College Mathemati...
5 comments:
Saturday, March 7, 2026

Geometric Challenge

Problem 1612: Triangle, Perpendicular Medians, and Squares of Sides

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Geometry Challenge 1612: Share your proof or solution in the comments below. Target Audience: K-12, Honors Geometry, and College Mathemati...
2 comments:
Sunday, December 28, 2025

Geometry Problem 1611: Angle Calculation in Triangle ABC

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Challenging Geometry Problem 1611. Share your solution by posting it in the comment box provided. Audience: Mathematics Education - K-12 Sch...
4 comments:
Thursday, December 4, 2025

Geometry Problem 1610: Area of a Curvilinear Triangle in a Rhombus

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Challenging Geometry Problem 1610. Share your solution by posting it in the comment box provided. Audience: Mathematics Education - K-12 Sch...
6 comments:
Thursday, November 20, 2025

Geometry Problem 1609: Radius of a Semicircle Tangent to Two Sides of a Triangle

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Challenging Geometry Problem 1609. Share your solution by posting it in the comment box provided. Audience: Mathematics Education - K-12 Sch...
1 comment:
Tuesday, October 28, 2025

Geometry Problem 1608: Right Triangle Area from Incircle Tangent Segments and Hypotenuse Perpendiculars

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Challenging Geometry Problem 1608. Share your solution by posting it in the comment box provided. Audience: Mathematics Education - K-12 Sch...
3 comments:
Tuesday, October 7, 2025

Geometry Problem 1607: Circle, Chords, Tangents, 60 Degree Angle

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Challenging Geometry Problem 1607. Share your solution by posting it in the comment box provided. Audience: Mathematics Education - K-12 Sch...
4 comments:
Sunday, October 5, 2025

Geometry Problem 1606: Right Triangle and Three Nested Squares

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Challenging Geometry Problem 1606. Share your solution by posting it in the comment box provided. Audience: Mathematics Education - K-12 Sch...
1 comment: