Find X in This Tricky Shape Problem!

Описание: Welcome to another mind-bending geometry puzzle! In today’s video, we tackle a fascinating question involving a rectangle, a square, and a triangle — all fitting neatly within a 30×20 rectangle. The twist? The blue square and the red triangle have equal areas, and your job is to solve for the side length x of the square.

Here's what you'll learn:
✅ How to equate areas of different shapes
✅ A clever setup using the geometry of the rectangle
✅ Step-by-step breakdown of a quadratic equation
✅ A shortcut method to solve quadratic equations without memorizing formulas
✅ Logical reasoning to eliminate invalid solutions

🔎 Key concepts: area of square, area of triangle, geometry problem solving, quadratic equations.

At the end of the video, we discard the invalid root and arrive at the final, correct value of x ≈ 13.03 — all while reinforcing math intuition and clarity.

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