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The answer is 72, but why?
Author:
Matebo
Slide n to change the size of the blue square. Notice the area of the triangle...
GeoGebra
Original from Jennifer Silverman.
New Resources
bewijs stelling van Pythagoras
函數的單調性
Average Value of a Function
Slope Between 2 Points (Phase 2)
Untitled
Discover Resources
Trig Functions
Untitled
The Fundamental Trigonometric Limit
คณิตคิดเร็ว
Rings of circles
Discover Topics
Geometric Mean
Natural Numbers
Unit Circle
Linear Programming or Linear Optimization
Quadrilaterals