Geometry STEM Challenge 1599: Four Equal Squares, One Right Triangle: Whatโ€™s the Ratio?

Uncover the hidden ratio between four equal squares and a right-angled triangle. A perfect activity to sharpen your STEM thinking and geometry skills!

Problem Statement 1599

Let ABC be a right triangle with legs AB and BC equal. Points D, E, and F lie on sides AB, BC, and AC respectively; point G lies on segment AF, and point H is inside triangle ABC. The quadrilateral DEHG is a rectangle composed of three congruent squares with side length DG. Segment HF is the diagonal of a fourth square congruent to the others and entirely contained in triangle ABC. Find the ratio of the total area of the four squares to the area of triangle ABC.

Diagram 1599 of a right-angled triangle with four equal squares arranged inside forming a rectangle and diagonal square

Squares shape inside lines,

Triangle whispers its truth,

Ratio waits to shine.

Uncover and share solutions to this problem.


Geometry STEM Challenge: Four Squares in a Right Triangle

Explore this educational STEM challenge by analyzing the relationship between four equal squares and a right-angled triangle. Discover how science, technology, engineering, and mathematics come together!

STEM Educational Approach

๐Ÿ“Š Science

Understand spatial relationships and how dividing a rectangle into squares reveals properties of symmetry, equality, and proportion. Connect this to real-world contexts like tiling, image pixelation, and architectural design.

๐Ÿงฎ Technology

Use dynamic geometry software like GeoGebra, Desmos, Geometry Expressions, or simple CAD tools to visualize the square placements. Consider coding a small visualizer in Python with Turtle or Pygame.

๐Ÿ“ Engineering

Break down the problem like an engineer:

  • Identify fixed elements (triangle ABC).
  • Determine square placements relative to the triangle.
  • Apply constraints like equal areas and diagonal relations.
Build a simple paper or cardboard model to test your reasoning.

โž— Mathematics

Apply concepts of right-angled isosceles triangles, squares, area calculation, proportional reasoning, special right triangles, and the Pythagorean theorem. Turn the geometric arrangement into algebraic equations to solve for ratios.

๐ŸŽฏ STEM Learning Objectives

  • Develop spatial reasoning and modeling skills.
  • Apply proportional reasoning to real-world inspired problems.
  • Integrate visual, numeric, and algebraic strategies.
  • Relate geometry to engineering and design challenges.

๐Ÿ’ก Challenge Extensions

  • Modify the problem for different triangles (non-isosceles).
  • Scale up to fit more squares โ€” can it always work?
  • Given a ratio, reconstruct the figure's layout.
  • Design a real-world application: solar panel fitting in triangular frames.

STEM Geometry Challenge 1599: Unlock the Power of Problem-Solving!

Flyer of Geometry problem 1599 involving concepts of right-angled isosceles triangles, squares, area calculation, proportional reasoning, special right triangles, and the Pythagorean theorem โ€“ Explore Geometry Through a STEM Perspective