GoGeometry Action 28! (Quick Angle Problem)

Author:Tim Brzezinski

Creation of this applet was inspired by a tweet from Antonio Gutierrez. What is the measure of the pink angle? How can you formally prove this to be true?

New Resources

רישום חופשי
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Interactive Unit Circle - Exact Trig Values
seo tool
Variation Theory Illustration: Point-Slope Form

Discover Resources

Callie Black - Rhombus
Basic Semicircle
reflection and rotation task
function y=x^2
Scale Drawings: IM 7.1.7

Discover Topics

Addition
Parabola
Translation
Quadratic Equations
Pythagoras or Pythagorean Theorem