3 Squares Problem (II)

Author:Tim Brzezinski

Creation of this applet was inspired by a post from eyleMMath. How can we formally prove that the measures of the two red angles are equal? Is this possible to prove without using trigonometry?

New Resources

Slope Between 2 Points (Phase 2)
Model sferyczny - dwunastościan-dwudziestościan
רישום חופשי
Damped Trochoidal Curve
Untitled

Discover Resources

Trisecting a box
rotations page 2
Test 10-9-17
Zadatak16
Discovery Lesson: Solutions to a Linear Equation

Discover Topics

Definite Integral
Tree Diagrams
Sine
Trigonometry
Subtraction